Phillips Bit: Wera 851/4 J, PH0, 50 mm
The Wera 851/4 J is a Phillips screwdriver bit (PH0) with a blade length of 50 mm and a blade diameter of 2.5 mm. The bit is designed for Phillips head screws and uses a 1/4" hexagon drive (Wera connection series 4), making it compatible with 1/4" bit holders. The product name Wera 851/4 J precisely identifies the bit type and size. In the data specification, the bit is described as "zähhart" (tough-ductile), which the manufacturer indicates as suitable for use in hard materials.Function and Compatibility
The Wera 851/4 J is designed for dual function as an interchangeable bit in screwdriver holders and bit sets with a 1/4" hexagon drive. The 1/4" hexagon drive is specified in the datasheet as Wera Anschluss-Reihe 4 and fits holders according to DIN ISO 1173-F 6,3.
Documentation
See datasheet from the manufacturer
Typical Applications
The usage is described in the manufacturer's material as optimized for Asian PH screws, specifically in very small sizes according to the Japanese Camera Industrial Standard (JCIS). This indicates that the Wera 851/4 J is suitable for working with PH screws in the dimensions covered by JCIS.
Specifications
- Manufacturer: WERA
- Product Name: Wera 851/4 J
- Manufacturer's Part Number: 05135531001
- Screw Profile: Phillips (PH 0)
- Blade Length: 50 mm
- Blade Diameter: 2.5 mm
- Drive: 1/4" hexagon (Wera Anschluss-Reihe 4)
- Optimized for: Asian PH screws according to Japanese Camera Industrial Standard (JCIS)
- Material Property: Described by the manufacturer as zähhart / tough-ductile for use in hard materials
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