Made of alloy steel, with high strength, high toughness, wear-resistance, and corrosion resistance.
The hex socket head can achieve high-torque tightening with limited clearance.
Shoulder bolts, also called stripper bolts, are mechanical fasteners that can be screwed into one part and provide a free rotation pin joint connection with another part.
The standard shoulder of shoulder bolt makes it suitable for most machinery and equipment. Usually used for punch and die assemblies.

Specification:
Material: Alloy Steel
Finish: Blackening
Performance Grade: 12.9
Drive Type: Internal Hex
Thread Size: 1/4-20 UNC
Thread Length: 8.89mm / 0.35inch
Shoulder Size: 1-1/4inch x 5/16inch(L*D)
Head Size: 10.93 x 5.59mm / 0.43inch x 0.22inch(D*T)

Package Content:
5pcs x Shoulder Bolts