18-8 Stainless Steel Low-Profile Precision Shoulder Screw 4 mm Shoulder Diameter 3 mm Shoulder Length M3 x 0.5 mm Thread 70pcs/Pack Package:70 Keps lock nuts feature an

Keps lock nuts feature an integrated washer with small teeth that grip the surface to prevent loosening

Flange nuts feature a washer-like base that distributes pressure over a larger area

Thread: 1/4-20

enhancing stability in assemblies

USS flat washers are larger than standard flat washers

18-8 Stainless Steel Low-Profile Precision Shoulder Screw 4 mm Shoulder Diameter 3 mm Shoulder Length M3 x 0.5 mm Thread 70pcs/Pack Package:70 Keps lock nuts feature anHigh quality Low Profile Precision Shoulder Screw, perfect for various applications. Material: 18 8 STAINLESS STEEL Head Style: Low Profile Shoulder Diameter: 4mm Shoulder Length: 3mm Thread: M3 0. 5