HomElectrical.com Lighting & Electrical Supply Superstore

Proto 3/8" Drive 3/16" Black Oxide Impact Hex Bit Socket

Proto 72903/16
SKU PRO-7290316
Proto 3/8" Drive 3/16" Black Oxide Impact Hex Bit Socket

Image may not depict product actual color, inclusions or accessories

This heat treated hex bit socket featuring a precision machined tip for proper screw engagement. The thru hole and groove accept retaining ring and pin, when securing to power tool.

  • Drive Size: 3/8 in.
  • Drive Type: Square.
  • Tip Size: 3/16 in.
  • Bit Length: 1 5/8 in.
  • Tip Type: Hex.
  • Overall Length: 2 23/32 in.
  • Measuring System: Inch.
  • Locking Type: Pin.
  • Material: Forged Alloy Steel.
  • Finish: Black Oxide.

Similar Sockets & Accessories Products

Proto 72903/16 Description

This heat treated hex bit socket featuring a precision machined tip for proper screw engagement. The thru hole and groove accept retaining ring and pin, when securing to power tool.

  • Drive Size: 3/8 in.
  • Drive Type: Square.
  • Tip Size: 3/16 in.
  • Bit Length: 1 5/8 in.
  • Tip Type: Hex.
  • Overall Length: 2 23/32 in.
  • Measuring System: Inch.
  • Locking Type: Pin.
  • Material: Forged Alloy Steel.
  • Finish: Black Oxide.

Similar Sockets & Accessories Products

$15.29Each
In Stock-

Ships between 03/04/2026 - 03/06/2026

Proto
Visit The Proto Store

Product Specifications

Part Number72903/16, 577-72903/16
Weight0.08-lb
UPC662679163457

Shop Top 100 Tools & Hardware Products.

View other Sockets & Accessories Best Sellers.

Manufacturer Description

3/8" DRIVE 3/16" HEX BIT SOCKET

  • Heat-treated. Precision machined tip for proper screw engagement. Thru hole and groove accept retaining ring and pin when securing to power tool
  • Finish: Black Oxide
  • Material: Forged Alloy Steel
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
Proto 3/8" Drive 3/16" Black Oxide Impact Hex Bit Socket
$15.29Each
In Stock-

Ships between 03/04/2026 - 03/06/2026

Similar Sockets & Accessories Products

Proto 72903/16 Description

This heat treated hex bit socket featuring a precision machined tip for proper screw engagement. The thru hole and groove accept retaining ring and pin, when securing to power tool.

  • Drive Size: 3/8 in.
  • Drive Type: Square.
  • Tip Size: 3/16 in.
  • Bit Length: 1 5/8 in.
  • Tip Type: Hex.
  • Overall Length: 2 23/32 in.
  • Measuring System: Inch.
  • Locking Type: Pin.
  • Material: Forged Alloy Steel.
  • Finish: Black Oxide.

Product Specifications

Proto
Visit The Proto Store
Part Number72903/16, 577-72903/16
Weight0.08-lb
UPC662679163457

Shop Top 100 Tools & Hardware Products.

View other Sockets & Accessories Best Sellers.

Manufacturer Description

3/8" DRIVE 3/16" HEX BIT SOCKET

  • Heat-treated. Precision machined tip for proper screw engagement. Thru hole and groove accept retaining ring and pin when securing to power tool
  • Finish: Black Oxide
  • Material: Forged Alloy Steel
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

Product Questions & Answers

Customer Reviews

Your voice matters. Be the first to leave a review and help other pros shop smarter

Write A Review
Need Assistance?

Never Stop Saving!

With HomElectrical, you are not just buying a product, you are investing in a solution. Our goal is to help you make the most educated choice possible, ensuring maximum savings on every job. We provide the deep product knowledge for all your Electrical, HVAC, and Lighting projects. By promoting efficiency and supporting every purchase with high-quality service, we help save your business money and support a greener future.