1/2 Inch X 2-1/2 Inch Black Oxide Astm A574 Socket Head Shoulder Screw USA Best Seller Use precision compression springs and

Use precision compression springs and conical compression springs in mechanical applications like welding valve and pipe-fitting and automotive engine systems

the assembly is easily removable with hand tools for servicing requirements

GR8 HHCS ZY UNF 5/16-24x3/4

they allow the do-it-yourselfer as well as the automotive professional to use bolts and machine screws in place of weaker sheet metal screws

00X90 SHCS GR12

1/2 Inch X 2-1/2 Inch Black Oxide Astm A574 Socket Head Shoulder Screw USA Best Seller Use precision compression springs andShoulder screws also called shoulder bolts allow for rotation of pulleys linkages and other moving parts in engines and mechanical applications.