RUKO HSS conical countersink 90º hexagonal handle 1/4" Ø max. 12.4 mm

The Ruko-102316 is a high-precision countersink, designed according to DIN 335, form C, with a 90° angle. Made of high-speed steel (HSS), this countersink features a 1/4" hexagonal shank, allowing direct connection to drills and screwdrivers equipped with a 1/4" chuck and any compatible bit holder. Its DIN 1412 C split point cutting edge and 118° cutting angle ensure exceptional performance in a variety of applications.

The Ruko-102316's design includes a 20/30° taper angle and a right-hand cut, optimizing the efficiency of the countersinking process. Thanks to CBN grinding and the ingenious chip flute arrangement, this countersink guarantees a clean and precise cut, minimizing noise, vibration, and burr formation.

• Cutting point with split point DIN 1412 C
• Cutting angle: 118º
• Cone angle: 20/30º
• Right-hand cutting
• CBN grinding for optimal cutting
• Chip evacuation channel design
• Minimizes noise and vibration
• Suitable for non-ferrous metals and steel
• Compatible with sheet metal up to 4 mm
• Includes translucent plastic case with hanger