Home > Inserts > Blind Rivet Nuts - Inch & Metric > CAO Small Flange & Low Profile Rivet Nut by Sherex

Grip range can be affected by parent material and hole size. Sherex recommends trial installations to determine the proper grip range for the application.


Material/Finish: Steel, Zinc Plated per ASTM B633 Fe/Zn8, Type III
- Available in Aluminum

Special finish or material available upon request.

Sherex rivet nuts are compatible with the following hardware: GRADE 2, GRADE 5, CLASS 8.8, and CLASS 9.8



Imperial Sizes


Part Number Thread Size Grip Range L ±.015 HD ±.010 D (Max.) Hole Size +.006/-.000
(Min.-Max.) (inch) (inch) (inches) (inches)
CAO2-0632-080 6-32 UNC .020-.080 0.385 0.295 0.249 0.250
CAO2-0832-080 8-32 UNC .020-.080 0.385 0.295 0.249 0.250
CAO2-1024-130 10-24 UNC .020-.130 0.440 0.320 0.280 0.281
CAO2-1032-130 10-32 UNF .020-.130 0.440 0.320 0.280 0.281
CAO2-2520-165 1/4-20 UNC .030-.165 0.580 0.425 0.374 0.375
CAO2-2528-165 1/4-28 UNF .030-.165 0.580 0.425 0.374 0.375
CAO2-3118-200 5/16-18 UNC .040-.200 0.690 0.560 0.499 0.500
CAO2-3124-200 5/16-24 UNF .040-.200 0.690 0.560 0.499 0.500
CAO2-3716-200 3/8-16 UNC .040-.200 0.690 0.560 0.499 0.500
CAO2-3724-200 3/8-24 UNF .040-.200 0.690 0.560 0.499 0.500

Metric Sizes


Part Number Thread Size Grip Range L ±.38 HD ±.25 Hole Size
(Min.-Max.) (mm) (mm) +.15/-.000 (mm)
CAO2-470-2.0 M4x0.7 ISO 0.50-2.00 9.78 7.49 6.40
CAO2-580-3.3 M5x0.8 ISO 0.50-3.30 11.18 8.13 7.20
CAO2-610-4.2 M6x1.0 ISO 0.76-4.20 14.73 10.80 9.60
CAO2-8125-5.1 M8x1.25 ISO 1.02-5.10 17.53 14.22 12.70
CAO2-1015-5.1 M10x1.5 ISO 1.02-5.10 17.53 14.22 12.70