1/4" Hex Power Drive

830-P4.png Phillips Bits

1/4" Hex Power Drive
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Part Point Overall Length Body Diameter Turned Length
Number Size In. mm In. mm In. mm
4910X 0 1 15/16 49 1/8 3.2 1 1/4 32
4910-AX 0 2 3/4 70 1/8 3.2 2 51
4910-BX 0 3 1/2 89 1/8 3.2 2 3/4 70
4910-CX 0 6 152 1/8 3.2 2 51
491-X 1 1 15/16 49 3/16 4.8 1 1/4 32
491-AX 1 2 3/4 70 3/16 4.8 2 51
491-BX 1 3 1/2 89 3/16 4.8 2 3/4 70
491-CX 1 6 152 3/16 4.8 2 51
491-CCX 1 6 152 3/16 4.8 5 1/4 133
492X 2 1 15/16 49 1/4 6.4 1 1/4 32
492I 2 1 15/16 49 1/4 6.4 1 1/4 32
492-AX 2 2 3/4 70 1/4 6.4 2 51
492-AI 2 2 3/4 70 1/4 6.4 2 51
492-BX 2 3 1/2 89 1/4 6.4 2 3/4 70
492-BI 2 3 1/2 89 1/4 6.4 2 3/4 70
492-CX 2 6 152 1/4 6.4 2 51
492-CI 2 6 152 1/4 6.4 2 51
492-200MM 2 7 13/16 200 1/4 6.4 7 178
SD-2052-8 2 8 203 9/32 7.1 7 178
SD-2052-10 2 10 254 9/32 7.1 9 229
492-CCX 2 6 152 1/4 6.4 5 1/4 133
492-27X* 2 1 15/16 49 1/4 6.4 1 1/4 32
492-A-27X* 2 2 3/4 70 1/4 6.4 2 51
492-B-27X* 2 3 1/2 89 1/4 6.4 2 3/4 70
492-C-27X* 2 6 152 1/4 6.4 2 51
492-CC-27X* 2 6 152 1/4 6.4 5 1/4 133
493X 3 1 15/16 49 5/16 7.9 1 25
493-AX 3 2 3/4 70 5/16 7.9 1 3/4 44
493-BX 3 3 1/2 89 5/16 7.9 2 1/2 64
493-CX 3 6 152 5/16 7.9 5 127
4930X 3 1 15/16 49 1/4 6.4 1 1/4 32
4930-AX 3 2 3/4 70 1/4 6.4 2 51
4930-BX 3 3 1/2 89 1/4 6.4 2 3/4 70
4930-CX 3 6 152 1/4 6.4 2 51
4930-CCX 3 6 152 1/4 6.4 5 1/4 133
494X 4 1 15/16 49 3/8 9.5 1 25

491-ACR1-RX.png 1/4” Hex Power Drive –
ACR®

Part Point Overall Length Body Diameter Turned Length
Number Size In. mm In. mm In. mm
491-ACR1-RX 1 1 15/16 49 3/16 4.8 1 1/4 32
491-ACR1-DX 4 1 15/16 49 3/16 4.8 1 1/4 32
491-ACR1X 4 1 15/16 49 3/16 4.8 1 1/4 32
492-ACR2-RX 2 1 15/16 49 1/4 6.4 1 1/4 32
492-ACR2-DX 2 1 15/16 49 1/4 6.4 1 1/4 32
492-ACR2X 2 1 15/16 49 1/4 6.4 1 1/4 32
492-A-ACR2-DX 2 2 3/4 70 1/4 6.4 2 51
492-A-ACR2X 2 2 3/4 70 1/4 6.4 2 51
492-B-ACR2-DX 2 3 1/2 89 1/4 6.4 2 3/4 70
4-2-B-ACR2X 2 3 1/2 89 1/4 6.4 2 3/4 70
492-C-ACR2-DX 2 6 152 1/4 6.4 2 51
493-ACR3X 3 1 15/16 49 5/16 7.9 1 25

ACR-Text.png
AFT-SD556-P5.png 1/4" Hex Power Drive with Finder Sleeve
Part Point Overall Length Sleeve Diameter
Number Size In. mm In. mm
SD-566-A 2 3 1/2 89 7/16 11.1
SD-566 2 6 152 7/16 11.1



APEX FASTENERS, Inc · 15858 Business Center Drive • Irwindale, CA 91706 USA
APEX Fasteners supplies standard and custom screws, nut retainers, shoulder screws, plastites and taptites, all types of rivets, spring steel fasteners and special stampings, sems screws in standard, fractional or metric to electronics, aviation and other OEM industries worldwide. ApexFasteners.com custom manufactures screw machine components for electronic enclosure hardware as well as cold forming and cold headed specials for assembly and production requirements.
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