uxcell Alloy Steel Hexagon Socket Head Shoulder Screws Bolts, 1-1/2" Shoulder Length, 5/16" Shoulder Dia, 1/4-20 Thread, 4pcs 1-1/2" x 5/16" sold2026 They are coarse threads

They are coarse threads

The self-cleaning emitters with turbulent flow carry sediments out of the system to reduce clogging

For 200 years

The customer's satisfaction is our priority goal

2" Straight Bit

uxcell Alloy Steel Hexagon Socket Head Shoulder Screws Bolts, 1-1/2" Shoulder Length, 5/16" Shoulder Dia, 1/4-20 Thread, 4pcs 1-1/2" x 5/16" sold2026 They are coarse threadsuxcell Alloy Steel Hexagon Socket Head Shoulder Screws Bolts, 1 1 2" Shoulder Length, 5 16" Shoulder Dia, 1 4 20 Thread, 4pcs Read more Features 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