Page 15 of Apex Fastener Tools by Cooper Power Tools

socket head sizing chart sae nominal socket head cap screws hex size 1960 1936 inches series series flat head cap screws button head cap screws set screws shoulder screws pressure plugs low head cap screws socket head bits 1/4 hex insert bits part number hex size overall length in mm 1/4 hex power drive part number hex size overall length in mm allenuts .050 0 0 1 1 2 1/16 1 2 3 4 5/64 2 3 3 4 5 6 3/32 4 5 5 6 8 7/64 6 1/8 8 10 9/64 8 10 5/32 10 1/4 1/4 3/16 1/4 5/16 7/32 5/16 3/8 1/4 5/16 7/16 5/16 3/8 3/8 7/16 1/2 3/8 7/16 1/2 1/2 5/8 7/16 1/2 5/8 5/8 3/4 9/16 3/4 7/8 7/8 5/8 3/4 1 1 3/4 7/8 1 1 1/8 1 1/4 1 3/8 1 1/8 7/8 1 1/8 1 1/4 1 1/4 1 3/8 1 1 3/8 1 1/2 1 1/2 1 1/2 1 1/4 1 3/4 1 1/2 2 1 3/4 2 1/4 2 1/2 2 2 3/4 3 4 3 4 5 6 8 10 1/4 5/16 3/8 5 6 8 10 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1 1/8 1 1/4 1 3/8 1 1/2 1 3/4 2 1/4 5/16 3/8 1/2 5/8 3/4 1 1 1/4 1 1/2 1 3/4 2 1/16 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 4 4 5 6 8 10 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1 1/4 1 1/2 .050 5 6 8 10 1/4 5/16 3/8 7/16 1/2 5/8 1 3/4 185-000x 185-00x 185-0x 185-1x 185-9x 185-2x 185-10x 185-3x 185-4x 185-4-4x 185-5x 185-6x 185-7x 185-8x .050 1/16 5/64 3/32 7/64 1/8 9/64 5/32 3/16 3/16 7/32 1/4 5/16 3/8 1 1 1 1 1 1 1 1 5/16 1 5/16 4 1 5/16 1 5/16 1 1/4 1 1/4 25 25 25 25 25 25 25 33 33 102 33 33 32 32 1/4 hex insert bits ­ metric part number hex size overall length in mm 185-1.5mm 185-2mm 185-2.5mm 185-3mm 185-4mm 185-5mm 185-6mm 185-7mm 185-8mm 185-9mm 185-10mm 1.5mm 2mm 2.5mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm 1 1 1 1 1 5/16 1 5/16 1 5/16 1 1/4 1 1/4 1 1/4 1 1/4 25 25 25 25 33 33 33 32 32 32 32 am-02 am-02-a am-03 am-03-3 am-03-6 am-03-a am-04 am-04-3 am-04-35 am-04-4 am-04-5 am-04-6 am-04-a am-04-a-4 am-05 am-05-3 am-05-35 am-05-4 am-05-5 am-05-6 am-05-8 am-06 am-06-3 am-06-4 am-06-6 am-07 am-08 am-10 1/16 5/64 3/32 3/32 3/32 7/64 1/8 1/8 1/8 1/8 1/8 1/8 9/64 9/64 5/32 5/32 5/32 5/32 5/32 5/32 5/32 3/16 3/16 3/16 3/16 7/32 1/4 5/16 1 15/16 1 15/16 1 15/16 3 6 1 15/16 1 15/16 3 3 1/2 4 5 6 1 15/16 4 1 15/16 3 3 1/2 4 3 6 8 1 15/16 3 4 6 1 15/16 1 15/16 1 15/16 49 49 49 76 152 49 49 76 89 102 127 152 49 102 49 76 89 102 127 152 203 49 76 102 152 49 49 49 1/4 hex power drive ­ metric part number hex size overall length in mm 5/16 hex insert bits part number hex size overall length in mm metric nominal hex size mm socket head cap screws flat head cap screws button head cap screws set screws shoulder screws allenuts low head cap screws 315-3x 315-4x 315-5x 315-6x 315-7x 315-8x 5/32 3/16 7/32 1/4 5/16 3/8 1 5/16 1 5/16 1 5/16 1 5/16 1 5/16 1 5/16 33 33 33 33 33 33 1.5 2 2.5 3 4 5 6 8 10 12 14 17 19 m1.6 m1.7 m2 m2.3 m2.5 m2.6 m3 m3 m4 m4 m5 m5 m6 m6 m8 m8 m10 m10 m12 m12 m14 m16 m14 m20 m16 m20 m24 m3 m4 m5 m6 m8 m10 m12 m3 m4 m5 m6 m8 m10 m12 m14 m16 m20 m24 6mm 8mm 10mm 12mm 16mm 20mm m3 m4 m5 m6 m8 m10 m12 m16 m4 m5 m6 m8 m10 m12 m14 m16 m20 m22 m24 5/16 hex insert bits­metric part number hex size overall length in mm am-1.5mm am-2mm am-2.5mm am-3mm am-3mm-3 am-3mm-4 am-4mm am-5mm am-5mm-4 am-6mm am-6mm-4 am-7mm am-8mm am-10mm 1.5mm 2mm 2.5mm 3mm 3mm 3mm 4mm 5mm 5mm 6mm 6mm 7mm 8mm 10mm 1 15/16 1 15/16 1 15/16 1 15/16 3 4 1 15/16 1 15/16 4 1 15/16 4 1 15/16 1 15/16 1 15/16 49 49 49 49 76 102 49 49 102 49 102 49 49 49 315-2.5mm 315-4mm 315-5mm 315-6mm 315-7mm 315-8mm 315-10mm 315-12mm 315-14mm 2.5mm 4mm 5mm 6mm 7mm 8mm 10mm 12mm 14mm 1 1 5/16 1 5/16 1 5/16 1 5/16 1 5/16 1 3/8 1 1/4 1 1/4 25 33 33 33 33 33 35 32 32 5/16 hex power drive part number hex size overall length in mm as-06 as-10 as-12 3/16 5/16 3/8 3 3 3 76 76 76 bolded part numbers are industry popular items and are followed by common variations which may vary in price and availability 16 17

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