M8 x 1.25 Socket Set Screws - Cup Point

M8 x 1.25 Socket Set Screws - Cup Point | The Nutty Company, Inc.

M8 x 1.25 Socket Set Screws - Cup Point

M8 x 1.25 hex socket set screws with a cup point, made to DIN 916 in 45H hardened alloy steel, black oxide finish. They take a 4mm hex key. We stock lengths 8mm to 60mm.

Specifications

  • Thread: M8 x 1.25, standard pitch
  • Standard: DIN 916, cup point
  • Hardness: 45H
  • Lengths: 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 60mm
  • Finish: black oxide
  • Hex key: 4mm
  • Tap drill: 6.8mm

Common Uses

  • Pulleys, gears and shaft collars
  • Knobs and handles
  • Motor shafts and couplings

FAQ

What hex key fits an M8 set screw?
A 4mm hex key.

How do I keep a set screw from loosening?
Grind or file a small flat on the shaft for the cup point to seat on, and use a thread locker. Two set screws at 90 degrees hold better than one.

Related: M6 x 1.0 Set Screws | M10 x 1.5 Set Screws | All Metric Set Screws

Free shipping on orders over $100, and orders placed before noon EST ship the same day. Purchase orders are accepted from government agencies, schools, hospitals, municipalities and companies with established credit with The Nutty Company, Inc.

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