Countersink Drill Bit, KATSU HSS 6542 Countersink Drill Bit 90 Degrees 45mm 3 Flute Chamfer Cutter Drill Bit for Wood Steel Metal Machine Tools, Positioning Drill Mill Cutter 12740623

• PRECISION CHAMFERING ON DEMAND – HSS 6542 steel construction delivers exceptional hardness and wear resistance, ensuring clean, accurate countersinks on wood, mild steel, iron and stainless steel every time.
• UNIVERSAL SHANK COMPATIBILITY – Straight shank design fits all major drill brands including Bosch, Makita, DeWalt, Milwaukee and Hilti, so you can get straight to work without adapters or guesswork.
• PROFESSIONAL 90-DEGREE ANGLE GUARANTEED – High bevel circlip geometry holds a true 90-degree cutting angle throughout the bit's lifespan, eliminating uneven recesses and screw heads that sit proud of the surface.
• BUILT TO OUTLAST CHEAPER ALTERNATIVES – Manufactured from premium HSS 6542 tool steel, this 45mm countersink resists heat build-up and dulling even under sustained use on hardened or tempered steel.
• THREE-FLUTE DESIGN FOR CLEANER RESULTS – The 3-flute chamfer cutter reduces vibration and chatter during cutting, producing smoother finishes on both metal and timber without the need for secondary finishing work.

When precision matters, your tooling has to deliver. The KATSU HSS 6542 Countersink Drill Bit is engineered for professionals and serious DIY users who need consistent, clean chamfers across a range of materials. Built from premium high-speed steel and designed to perform across multiple drill brands, this is the countersink bit you reach for when the job cannot afford compromise. Key Features Material: HSS 6542 high-speed steel — hardened, wear-resistant and long-lasting Cutting diameter: 45mm with a true 90-degree cutting angle 3-flute chamfer cutter design for reduced vibration and cleaner finishes Straight shank — compatible with all standard drill chucks Suitable for wood, mild steel, iron, stainless steel and hardened materials Why It Works HSS 6542 steel stays sharper for longer, even under sustained use on tough or hardened materials. Precision-ground 90-degree geometry holds its angle throughout the bit's lifespan, delivering consistently flush countersinks. Three flutes distribute cutting load evenly, reducing chatter and producing cleaner holes without secondary finishing. Universal straight shank fits all standard drill chucks, so there are no compatibility issues straight out of the box. Ideal For Metalworkers and fabricators countersinking screw holes in mild steel, iron or stainless steel Joiners and carpenters requiring clean, flush screw recesses in hardwood and softwood Workshop and production environments where consistency and tool longevity are priorities Trades professionals using Hilti, Bosch, DeWalt, Milwaukee, Makita or similar drill platforms In the Box 1 x KATSU HSS 6542 Countersink Drill Bit — 45mm, 90 Degrees, 3 Flute, Straight Shank