Home > Specialty OEMs
We supply our specialty OEM manufacturers the full range of custom fasteners, including custom screws/bolts, standoffs/spacers, springs, washers, nuts, pins, bent parts, machined components, and much more. We are proud to serve a small but critical part with many specialized category OEMS around the world including companies specializing in sports equipment, precast concrete work, woodwork, entertainment products, and countless other niche industries.

CALL US WITH YOUR INQUIRIES AT (866) 243-3044 OR EMAIL US AT SALES@ENGINEEREDSOURCE.COM

  • Chrome Plated 316 Stainless Sheet Metal Screws - #12-11 X 1-1/4 Type A Sheet Metal Screws With Tin Cobalt Chrome Plating

    These are custom chrome plated 316 stainless sheet metal screws with tin-cobalt RoHS compliant chrome plate finish, with the 316 stainless steel designated by a dot on the head of each screw.  Like the other custom tin cobalt chrome plated screws, these type A 12-11 X 1-1/4 phil pan sheet metal screws are manufactured overseas and supplied to our long time customer on a revolving blanket purchase order basis.  The tin cobalt chrome plating is done in a barrel plate format for improved cost efficiency while still producing a very attractive cosmetic finish.  Tin cobalt finish typically provides a slightly duller chrome finish than the traditional hexavalent chromium plating.  All the custom tin cobalt plated parts we supply are electroplated with a bright nickel under-plate for improved longevity and appearance.

  • Chrome Plated Phil Pan Hi-Lo Screws - 316 Stainless Steel Material With RoHS Compliant Tin Cobalt Finish, #10-16 X 3/4"

    These chrome plated phil pan hi-lo screws were manufactured overseas at approximately 50,000 pcs and supplied to our customer on a revolving blanket purchase order basis.  They measure #10-16 X 3/4" and are identical outside of the length to the #10-16 X 1/2 version we have supplied for a number of years already.  316 stainless steel material is used for optimal corrosion resistance, which is further enhanced with the chrome plating for use in highly corrosive environments.

  • Custom 1/4 X .34 Alloy Dowel Pins to Print

    This custom dowel pin is made to print using common alloy steel material with both sides chamfered and has a diameter of .25".  Overall length is set at .340 inches +/- .001 and production was done domestically in the USA at approximately 30,000 pcs.

  • Custom 316 Stainless Sheet Metal Screws With Tin Cobalt Chrome Plating - 6-18 X 5/8" Type A SMS

    These are custom 316 stainless steel sheet metal screws with tin-cobalt RoHS compliant chrome plate finish, with the 316 stainless steel designated by a dot on the head of each screw.  Like the other custom tin cobalt chrome plated screws, these type A 6 X 5/8 phil pan sheet metal screws are manufactured overseas and supplied to our long time customer on a revolving blanket purchase order basis.

  • Custom 316L Socket Screws - Tapered M5-0.8 X 18MM

    We had 50,000 pcs of these custom 316L socket screws produced domestically for our action sports product customer.  Our goal was to recreate a 70 degree taper on the head profile originally accomplished using a machined secondary process.  The hardness of 316L stainless steel material made this is outcome difficult to achieve using a cold heading process.  After numerous test runs and adjustments the production team was able to achieve the desired result at last.

  • Custom Combo Drive Machine Screws - 10-32 X 3/8 Phil/Slot Pan Head M/S In Steel Zinc

    These are custom combo drive machine screws measuring 10-32 X 3/8.  They are manufactured domestically using steel zinc material with production runs typically at 200,000 to 250,000.  We stock and release this part to our long time OEM customer with revolving annual blanket purchase orders.

  • Custom Composite Cork Stamped Parts

    This custom composite cork stamped part is made to our customer's drawing at .062 thickness and .63 diameter, and is manufactured domestically in the United States.  Lead time is typically 6-8 weeks for new production.

  • Custom Deep Recess Phillips Drive Screws - #8 X 2" Phillips Pan Type A Sheet Metal Screws

    At first glance these custom deep recess phillips drive screws seem like ordinary sheet metal screws. For the most part that is true - the Type A thread and head dimensions are essentially per IFI specs without any modifications. A closer look however will reveal a significantly deeper recess in the phillips drive. Standard #8 phillips drive for a pan head reaches a depth of .108" while this custom part has a recess depth of .120" to .122" - a significant difference when it comes to improved engagement and faster/easier use on the production floor. This improvement in speed and engagement was the main driver behind our customer's request for this modified sheet metal screw, particularly important when some of the depth is used for paint when the screw heads are painted a variety of different colors.


  • Custom Double Thread Hardened Turnbuckle Studs - 4140 Steel Material

    We had 100 pieces of these custom double thread hardened turnbuckle studs produced for our customer in 4140 steel material, hardened to 45-48 HRC.  Local induction heat hardening was performed at the longer hex key, targeting 53-57 HRC. 3/8-24 UNJF 2A thread was rolled with right hand thread on one side and left hand thread on the other.  Overall length was to be between 10.33" and 10.38", with the unthreaded portion diameter between .345" and .375".

  • Custom Electronics Standoffs In Plain Brass Material With 2-56 Thread

    These are custom electronics standoffs we supplied to our customer at just 10,000 pcs for testing purposes. 2-56 thread was incorporated to run all the way through the part measuring 0.32" in overall length. The thicker portion of the custom standoff measures .13 inches, with the diameter at .22 inches. Its thinner section has a diameter of .14 inches.

  • Custom Extra Long Hex Bolts - Partially Threaded 3/8-16 X 14" In 307A Material With Zinc Clear Finish

    These are custom extra long hex bolts we have supplied our customer for many years, with shipments of approx 20,000 pcs at a time every 2-3 years. 307A steel material is used with zinc clear finish and all parts are manufactured overseas. 1.5" to 1.688" of thread is rolled on each part and the hex head height is set to .226-.268 inches. R0.01-0.03 underneath the head is critical for our customer's application, allowing the head to lay as flat as possible against the mating part.


  • Custom Flat Washer in 304 Series Stainless Steel

    We supply our diverse customer base countless special made flat washers, mostly on blanket as-released purchase order basis.  This is a custom 304 stainless steel flat washer made in the USA to an inside diameter of .600, outside diameter of .872, and thickness of .047 inches.

  • Custom Grade 5 Hex Cap Screws - 5/16-24 X .875 With Black Oxide Finish

    We have supplied these custom grade 5 hex cap screws to our customer for well over 10 years.  The parts are manufactured domestically, with production runs typically covering 50,000 pieces at a time.  The shoulder is critical on these parts, set at .312" in diameter +/- .005" and at 1/4" in length.  Head dimensions slightly off the standard for this size and the finish is black oxide and light oil.  

  • Custom Hex Washer Head Trilobular Screws - 10/32 X 1/2 Unslotted Thread Forming Screws in 410 Stainless Steel

    We supply our customer base a large number of different thread forming screws like these custom hex washer head trilobular screws manufactured overseas in Taiwan.  They measure 10/32 X 1/2 and are made using 410 stainless steel with heat treat for additional hardness and passivation to complete the production process.  Production is typically run at 100,000 pieces and we supply it to our long time OEM customer using 12 month blanket purchase orders.

  • Custom Lag Thread Bent Anchors - Steel Zinc Material

    These custom lag thread bent anchors were manufactured for a woodworking company in Hawaii that required lag screw thread on the long leg and a cosmetically appealing zinc clear finish. CD-C1018 material was used at a 1/4" in diameter, with a 90 degree bend. The short leg measured 3/4" in length on the inside and the long leg at 5" overall including the 3/4" of lag screw thread.

  • Custom Machined Aluminum Hardware - 6061 Aluminum With M6-1.0 Thread

    Our customer was in urgent need when she ordered this custom machined aluminum hardware and was having a hard time finding anyone that could maintaining a fast turnaround. We were able to come to the rescue 16 day production time span to get the parts completed. This was done without an additional rush charge that could further cut this lead time to 1 week. 6061 aluminum material was used and M6-1.0 male and internal thread was incorporated on all the components. The parts with the male thread included a slotted drive on the head, which is absent on the other two accompanying parts.

  • Custom Machined Nylon Pins - 1/2 Inch OAL

    These are custom machined nylon pins we supply our industrial OEM customer.  They are manufactured overseas with a lead time of approximately 120 days from approved drawing/print.  Overall length is set at 1/2" and the OD drops from 5/16" on one side to 3/16" on the other narrow side.  The machined convex portion measures approximately 5/16 inches in length, leaving approximately 3/16 inches on the 5/16" OD section.  Plain acetal material was used without any dye.  Annual revolving blanket purchase orders are used with monthly releases - estimated annual usage is at 60,000 pcs.

  • Custom Metric Button Socket Cap Screws - M3 X 0.5 X 6MM In Alloy Steel

    These custom metric button socket cap screws are made using alloy steel material at 32-36 HRC with black oxide finish.  The head diameter is 5.7MM and head height at 1.65MM, with a 2.0MM hex drive size.  The overall length underneath the head is set at 6MM, of which 2.5MM is designed to be the un-threaded shoulder.  Cold heading process was used to shape the head and the thread was rolled for optimal strength.

  • Custom Music Wire 1/2" & 3/4" Compression Springs

    Engineered Source supplies special springs made to customer prints of all varieties, materials, and sizes. This particular custom compression spring is US made to 1/2" and 3/4" overall length to meet the customers specific product needs. Typical lead time on special springs manufactured domestically is 8-10 weeks.


  • Custom Partially Knurled Pins In Plain Steel Material - 6-32 Thread On One Side

    These are custom partially knurled pins made using plain low carbon steel material.  One side is threaded at 6-32 with approximately .375 inches of thread while the other is diamond knurled at .20 inches max.  Overall length is set at .855 inches.  Production was done domestically at approximately 1,000 pieces.

  • Custom Precision Ground Pins In 304 Stainless Steel Material

    These custom precision ground pins were manufactured in 304 stainless steel material for a medical product manufacturer.  The OD of the shaft measured 6.35MM +/-.01MM and the overall length measured 152.4MM +/- .1MM.  Pre-production samples were provided to our customer for approval prior to full production start.

  • Custom Precision Steel Pins - 1018 CRS Material

    These custom precision steel pins were manufactured domestically for our customer involved in water treatment product manufacturing.  1018 CRS material was used with plain finish.  The drive-less head measures .060" in height and .290" for the diameter, +/-.005".  The shoulder portion was the most critical with a diameter of .195" +/- .001" and a slight 45 deg by .02" chamfer.  Overall length of the shoulder shaft was set to .460".  Production is typically done at 5,000 pieces at a time.

  • Custom PVDF 1/16 X .415 Micro Pins

    We supply a number of PVDF pin parts like this 1/16 X .415 version to a customer that deals largely with water treatment applications. Together with a variety of other special hardware parts we supply this special pin on an annual blanket as-released purchase order basis. We try to maintain a minimum 6 month supply to provide our customer optimal flexibility.


  • Custom Slotted Flat Head Machine Screw in Copper 110 Material

    This is a small custom 4-40 X 5/16 copper machine screw manufactured domestically using copper 110 material. While rush order options are typically available the standard lead time on 10,000 piece production runs of this part are in the 6-8 week range.


  • Custom Small U Bolts - 1/4-20 Round U Bolts In Steel Zinc With Rolled Thread

    These are custom small u bolts we supplied to our customer at approximately 16,000 pcs.  The 1/4-20 thread was rolled per customer specifications and the zinc plating was done to QQ-Z-325.  Width between the legs is set at 1.060 inches before the extended rolled thread, outside length at 1.84 inches, and thread length at .62 inches.  Material was .217-.213 diameter 1010 steel per ASTM A108.

  • Custom Socket Head Screws With A Drilled Point

    These are custom socket head screws with a low profile head measuring .270 X .078 inches, made in the USA using 303 stainless steel material.  The thread incorporated is 8-32 at 7/8" in length, with the remainder of the length as an un-threaded shoulder.  The point on these custom socket bolts has a machined socket drive matching the hex drive on the low profile head.  These unique custom screws were produced in under one week for our customer's urgent needs.

  • Custom Stainless Binding Posts - Painted & In Black Oxide

    These custom stainless binding posts were manufactured domestically to our customer's drawing using 18-8 stainless steel material. 8-32 female thread is incorporated with the shoulder diameter at .250" and shoulder length at .250" as well. The dome head was made to a diameter of .406" and head height of .060". For the final application we provided this part with both custom painted heads to match the color and also with black oxide finish.

  • Custom Stainless Double End Studs - 1/2-13 Double End Studs In 304 Stainless Steel Material

    These are custom stainless double end studs we provide our long time customer on a recurring basis, typically with production runs of approximately 300 pcs.  They are made domestically using 304 stainless steel material.  Pictured here is the threaded stud with it's mating part.  The thread on one side measures .875" in length and approximately .687" on the other.  The unthreaded shoulder is 1/2" diameter and the overall length of the stud is set at 2-3/8".

  • Custom Stainless Steel Standoffs - M3 X 12MM X 4.15MM Across The Flats

    Pictured here is one of the custom stainless steel standoffs we supply our drone manufacturing customer.  Production is done in the USA in 18-8 stainless steel material, with passivation as the final step in the production process.  Lead times vary depending on the quantity required and rush options are typically available upon request.  When usage volumes exceed 25K pieces or so we typically switch production to one of our overseas partners to optimize cost per piece.

  • Custom Tin Cobalt Chrome Plated Screws - 8-19 X 1-1/4 Hi Lo Thread Forming Screws In 316 Stainless Steel

    The parts pictured here are 8-19 X 1-1/4 hi lo thread forming screws.  They are manufactured overseas and supplied to our long time customer on a revolving blanket purchase order basis.  The tin cobalt chrome plating is done in a barrel plate format for improved cost efficiency, while still producing a very attractive cosmetic finish.  Tin cobalt finish typically provides a slightly duller chrome finish than the traditional hexavalent chromium plating.  All the custom tin cobalt plated parts we supply are electroplated with a bright nickel under-plate for improved longevity and appearance.

  • Custom Trilobular Thread Forming Hex Washer Head Screws

    We supply our diverse customer base hundreds of custom made to print trilobular thread forming screws in both steel and stainless steel materials. This particular special thread forming part measures 10-24 X 3.19" and is manufactured to print overseas in Taiwan in steel/zinc; it is then supplied to our customer on an as-released blanket purchase order basis.


  • Custom Unique Thread Pitch Screws - 3/8-20 X 1-1/4 Socket Head Cap Screws in 18-8 Stainless Steel Material

    These custom unique thread pitch screws were one of the stranger projects that we came across - it was the first time in over 20 years that someone requested a 3/8-20 thread pitch. We had the custom screws manufactured domestically using 18-8 stainless steel material. The lead time was at approximately 4 weeks from order confirmation.

  • Custom Vented Screws In Invar 36 Material - 8-32 X 5/8 And 6-32 X 1/4

    Measuring 8-32 X 5/8 and 6-32 X 1/4 both are made using Invar 36 material with a vent drilled hole running the full length of the screw. Invar 36 material has a very low level of thermal expansion and is typically used for applications where dimensional changes due to temperature variation must be minimized as much as possible. The hex socket drive was broached for both parts, in lieu of a cold headed alternative.


  • Modified Truss Self Tapping Special Screw to Print

    Some years ago our customer approached us with the task of creating this self piercing screw for a specialized assembly application. It has since become a consistent item we carry to ensure adequate supply for their need at all times. The part is a modified truss head self tapping type A screw, with a phillips drive. Measuring 9-9 X 1-5/8 in length this part is a special screw manufactured to print using 18-8 stainless steel, followed by a passivation process.


  • Orange Painted Sheet Metal Screws - #8 X 3/4" in 18-8 Stainless Steel

    These orange painted sheet metal screws are one of the brighter and more colorful painted screws we supply our customer base. Most of the painted screws are in more subdued varieties of white, grey, and brown to match a variety of paneling used by our customers in their respective assembly lines. The base screw itself is a standard off the shelf 18-8 stainless steel #8 X 3/4" type A sheet metal screw. Lead time for this color is similar to the others at 2-3 weeks from order confirmation but an expedited processing option is typically available upon request.


  • Phillips Truss Custom Tin Cobalt Plated Machine Screws In 316 Stainless Steel Material

    These are custom tin cobalt plated machine screws made using type 316 stainless steel, designated by a dot on the head of each screw.  Like the other custom tin cobalt chrome plated screws, these machine screws are manufactured overseas and supplied to our long time customer on a revolving blanket purchase order basis.  The tin cobalt chrome plating is done in a barrel plate format for improved cost efficiency while still producing a very attractive cosmetic finish.

  • Special Indented Hex Washer Head Thread Forming Screws

    Engineered Source supplies a large number of special thread forming screws like this #10-32 X 3.72" unslotted indented hex washer head trilobular screw.  This specific part has been supplied to the same customer for over five years and is sold on a blanket purchase order basis.  It is manufactured in Taiwan using 18-8 stainless steel, passivated and waxed to our customer's specifications.

  • Special Washer To Print With Glass Bead Aluminum Oxide Finish

    This is one of a number of glass bead finished fastener parts we supply to our long time customer, made using low carbon steel to the following dimensions: .400 inside dimension, .750 outside dimension, and .060 thickness. The part is manufactured in the United States and sold on a blanket as-released purchase order basis. We typically have on hand 6-12 month supply of the part at any one time.


  • Tin Cobalt Plated 316 Stainless Sheet Metal Screws - 10-12 X 1 Type A SMS

    These are 316 stainless custom type A sheet metal screws with tin-cobalt RoHS compliant chrome plate finish, with the 316 stainless steel designated by a dot on the head of each screw.  Like the other custom tin cobalt chrome plated screws, these 10-12 X 1 type A phil flat sheet metal screws are manufactured overseas and supplied to our long time customer on a revolving blanket purchase order basis.  The tin cobalt chrome plating is done in a barrel plate format for improved cost efficiency while still producing a very attractive cosmetic finish.

CALL US WITH YOUR INQUIRIES AT (866) 243-3044 OR EMAIL US AT SALES@ENGINEEREDSOURCE.COM