Wera 851/1 BDC SB Phillips PH 1 x 25 mm diamantgecoat BiTorsion-bit 05073333001

Diamond-coated Phillips PH 1 bit with BiTorsion zone for extended service life in impact drivers.

Overview

The Wera 851/1 BDC SB is a single Phillips PH 1 bit with a 1/4" hex shank and 25 mm length. The diamond coating provides a secure fit in the screw head, reducing cam-out and the need for high contact pressure. The BiTorsion zone absorbs peak loads, preventing premature breakage. Made from high-alloy steel, this bit is suitable for power tools and impact drivers.

What stands out

• Diamond coating for anti-slip fit and reduced cam-out
• BiTorsion zone extends bit life under impact
• 1/4" hex shank fits standard bit holders
• High-alloy steel construction

Technical details

• Bit type: Phillips
• Drive size: PH 1
• Shank type: Hex
• Shank size: 1/4 inch (6.35 mm)
• Bit length: 25 mm
• Material: High-alloy steel
• Coating: Diamond coated (BDC)
• Impact rated: Yes
• Quantity: 1 piece

Our verdict

A professional-grade Phillips bit that combines diamond coating and BiTorsion technology for durability and reliable screwdriving in demanding applications.