RUKO HSS Flat Counter Sinker with Fixed Guide, Fine Grade for Through Hole, DIN 373, Bright Finish, 8.0 mm Diameter, 71.0 Length, R102402

Ruko 102402 Din 373 180º Hss M4 Flat Countersink. RUKO 102402 DIN 373 180º HSS M4 Flat CountersinkAchieve professional-grade, precision-engineered results with the RUKO 102402 DIN 373 Flat Countersink. This high-performance HSS tool is expertly designed for creating perfectly flat-bottomed counterbores, delivering a flawless finish for a variety of demanding applications. Whether you are a professional metalworker, an engineer, or a dedicated craftsman, this M4 countersink is the ultimate accessory for achieving clean, accurate, and reliable seating for your fasteners. Its robust construction and optimised geometry ensure superior performance and longevity, making it an indispensable part of any serious toolkit.This countersink is purpose-built for producing countersinkings for cylinderhead screws, thread-cutting screws, and thread-furrowing screws. It is ideal for burr- and chatter-free deburring and countersinking, ensuring a smooth, professional surface every time. The tool is highly versatile and applicable for steel, cast iron, non-ferrous, and light metals. For maximum tool life and the highest quality finish, you will achieve the best results at low cutting speeds.The defining feature of the RUKO 102402 is its 180° cutting angle, which creates a precise, flat seat essential for cap screws and other fasteners that require a flush surface without a conical recess. This ensures even pressure distribution and a secure fit. Manufactured according to DIN 373 standards, this tool guarantees dimensional accuracy and consistent quality you can trust.Engineered with three precision-ground cutting edges, this countersink provides a smooth, stable cutting action that significantly reduces chatter and vibration. This results in cleaner holes and a superior surface finish while efficiently removing material. The right-hand cut direction and bright surface finish contribute to its excellent performance across various metals. The fixed pilot pin (4.3 mm Ø) ensures perfect concentricity with the pre-drilled hole for an M4 thread, guiding the tool accurately to prevent misalignment and guarantee a perfectly centred counterbore. The straight, cylindrical shank allows for secure clamping in any standard drill chuck, providing universal compatibility with your existing power tools.Specifications:- Ø: 8.0 mm- Total length: L1 71.0 mm- Shank Ø: 5.0 mm- Pilot Ø: 4.3 mm- DIN: 373- Material: HSS- Surface: Bright- Cutting direction: right hand cut- Shank: cylindrical- Countersink: angle 180°- Cutting edges: 3- Thread M: 4- Weight: 0.01600 KG. tradeinn Bricoinn

To produce cuts for cylinder head bolts, hex bolts and nuts. Great for burr-and chatter-less sinks in steel, cast iron, non-ferrous and light metals. Great results at low cutting speed.