Bit Standard 25 mm Internal Square #3, 2-pcs. 1/4" C6.3 in Box - Wiha 38660

The Wiha Bit Standard 25 mm Internal Square #3 is supplied as a two-piece pack in a reusable plastic box. The C6.3 shank conforms to DIN 3126 and ISO 1173, fitting any standard 1/4" bit holder. The over-tightened, reduced profile delivers positive torque transfer in Robertson #3 screws, while the tapered tip guides the bit into the recess without manual alignment.

Benefits

• Tapered tip simplifies bit insertion for faster work pace
• Reduced, over-tightened profile for secure torque transfer without cam-out
• Reusable, dust-repellent plastic box keeps bits organised and clean
• Large symbols on packaging allow quick identification in a toolkit
• Through-hardened chrome-vanadium steel for extended service life

Technical data

• Drive: DIN 3126, ISO 1173, style C 6.3 (1/4")
• Output: DIN 3120, ISO 1174, style A 6.3 + A 10
• Profile: Internal square (Robertson) size #3
• Length: 25 mm
• Material: Chrome-vanadium steel, through hardened
• Pack contents: 2 bits
• Pack dimensions: 90 x 43 x 20 mm

Applications

Suitable for all screw fastening tasks in trade and industry wherever Robertson #3 screws are used. Standard: DIN 3126, ISO 1173, style C6.3. Made in Vietnam (HS 82079030).