Product Categories

Contact Apex Fasteners

APEX offers full-service design, engineering and manufacturing to your specifications. Our custom fasteners have enjoyed great success supplying all types and sizes of businesses in most sectors of industry.
Contact Apex Fasteners with your hardware requirements

Authorized Distributor for:

3/4" Square Drive

SocketHead-3-4-SquareDriveAdapter.png Socket Head Bits SocketHead.png
with Square Drive Adapters, SAE

3/4" Square Drive
Download Page.png

Part Number Hex
Size
Overall Length Length of Insert Bit Length (A)
Complete Adapter Only Insert Only In. mm In. mm In. mm
SZ-30 SC-720 SZ-30-A 3/8 2 5/8 67 1 9/16 40 29/32 23
SZ-31 SC-720 SZ-31-A 1/2 2 5/8 67 1 9/16 40 29/32 23
SZ-32 SC-720 SZ-32-A 9/16 2 5/8 67 1 9/16 40 29/32 23
SZ-33 RP-720 SZ-33-A 5/8 2 5/8 67 1 9/16 40 29/32 23
SZ-34 RP-720 SZ-34-A 3/4 2 5/8 67 1 9/16 40 29/32 23
SZ-37 RP-728 SZ-37-A 3/4 3 1/8 79 2 51 1 1/8 29
SZ-35 SC-720 SZ-35-A 7/8 2 5/8 67 1 9/16 40 29/32 23
SZ-38 RP-728 SZ-38-A 7/8 3 1/8 79 2 51 1 1/8 29
SZ-36 RP-720 SZ-36-A 1 2 5/8 67 1 9/16 40 29/32 23



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.
Tel: (626) 962-2219 - info@apexfasteners.com
Copyright © 2025 Apex Fasteners. Designed by Pope Productions