1/4-20 x 2-3/4 Inch W.A.R. Coated Steel #4 Point Flat - Countersunk Head Self-Drilling Tek Screw With Wings Best Seller The hole must first be

The hole must first be countersunk with the chamfered edge in order to sit flush

FLAT ARBOR FOR PN 51773-51784

They are used as a locking device to hold pins or castle nuts in place

The CoBlo can be used with an air tool connected or disconnected and is currently available in our most popular 1/4-inch Industrial Interchange

Designed for durability lower maintenance and safety in mind

1/4-20 x 2-3/4 Inch W.A.R. Coated Steel #4 Point Flat - Countersunk Head Self-Drilling Tek Screw With Wings Best Seller The hole must first beThese machine screws have deeply sunk heads with flat top surfaces for fastening flatly against sides of metal joints and equipment. These screws sit flush against the surface of panels and electrical components for a finished look.