M4 x 0.7 x 8mm Cup Point Socket Set Screw - Steel - Black Oxide - DIN 125B - 45H - Pkg of 100

Set screws have forged sockets, insuring maximum strength and resistance to cracking in the corners. Smooth, flat, deep sockets, free of machining tears or roach chips.

Socket Set Screw, Cup Point, Steel Alloy, Blk Oxide, UNC, 100 Pk, BBI 101317, 1/4-20 x 1/2" Set screws have forged sockets, insuring maximum strength and resistance to cracking in the corners. Smooth, flat, deep sockets, free of machining tears or roach chips.

Point Selection should take into account application, holding power, frequency of setting and hardness of mating parts. The Cup Point digs into the contact surface for maximum holding power under pressure. The Knurled Point features better locking power than the standard Cup Point. The Knurled Point combines the digging action of the Cup Point with counter-clockwise locking knurls that have a ratchet-locking action that helps resist loosening, even under the most severe vibrations