These Ti-coated power tool bits have a 6.35mm hex (1/4″) that fits our P1 cordless hobby screwdriver.

Specs:

• Material: HSS (Ti-Coated)
• Straight Hex: 1.5, 2, 2.5 & 3mm
• Length: 100mm
• Hex Dimension: 6.35mm (1/4″)
• Note that the smaller ones can be prone to brake if you dont use the tool at a straight angle

Suitable for:

• Straight Hex 1.5mm: For M3 electric motor pinion grub screws (most 1/10 – some larger pinions use a M4 screw that needs an straight 2mm)
• Straight Hex 2.0mm: For M3 hex screws with countersunk head or button-head
• Straight Hex 2.5mm: For M3 hex screws with allen head (cylindrical) and M4 hex screws with countersunk head or button-head
• Straight Hex 3.0mm: For M4 hex screws with allen head or M5 with countersunk head & M5 with a button head