[100 PKG] Set Screws Socket Knurled Cup Point Alloy Thermal Black Oxide 5-40 X 3/8
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[100 PKG] Set Screws Socket Knurled Cup Point Alloy Thermal Black Oxide 5-40 X 3/8

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[100 PKG] Set Screws Socket Knurled Cup Point Alloy Thermal Black Oxide 5-40 X 3/8

Mutual ScrewSKU: 0506SSKBB
Price:
$23.14per 100( $0.23 each)
Pieces 100
Measurement type Inch
Thread size #5-40
Length 3/8
Material Steel
Grade Alloy Steel
Finish Thermal Black Oxide
Drive Socket
Point type Knurled Cup
Threads per inch 40
Weight 1.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Introducing the Set Screws Socket Knurled Cup Point Alloy Thermal Black Oxide 5-40 X 3/8 — a high-strength, precision fastener built for demanding equipment. This socket-set screw features a knurled cup point for secure grip and controlled load distribution, delivering repeatable clamping in a compact form factor.

Crafted from alloy steel and finished with a thermal black oxide coating, it combines strength, wear resistance, and corrosion protection. The socket drive enables fast, tool-friendly installation and removal with standard Allen wrenches.

Key features

  • Drive type: Socket (Allen) drive
  • Point style: Knurled cup point for high holding power
  • Material: Alloy steel
  • Finish: Thermal black oxide
  • Size: 5-40 thread, 3/8 inch long
  • Compatibility: Fits standard 5-40 threaded holes

Benefits and applications

Ideal for securing shafts, gears, pulleys, collars, and other components in machinery where a low-profile, high-friction fastener is required. The knurled cup point helps prevent creeping and loosening under vibration, while the black oxide finish adds durability and resistance to moisture and corrosion.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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