Countersunk Screw is designed for the users who don't want the head of screw appears. Please use it with d=3mm cross screwdriver.
• Material: Steel
• Suitable for the structures with 3mm holes.
Perfect for adding to Timing Pulley and Shaft D4mm Ensure a stable motion of the moving parts and reach a requirement of high precision Made... View full product details
Makeblock Cross & 2.5mm HEX Screwdriver is a new two in one screwdriver which replace Makeblock HEX Screwdriver 2.5mm and Cross Screwdriver 3mm. The Cross... View full product details
A spring washer is commonly used to keep bolts locked in their place during vibrations. M4 Type: Spring Washer Material: Steel Thickness: 1.1 mm Outer... View full product details