3.5mm HSS Cobalt M35 Chucking Reamer With D4 Tolerance 6 Straight Flutes Round Shank Milling Tool For Stainless Steel Copper Aluminum Alloys Uncoated Precision Lathe Cutter

High-precision single-piece 3.5mm HSS cobalt chucking reamer
✔️ 3.5mm dia, D4 tol, 6 straight flutes, round shank, 1 piece

Precision chucking reamer built from uncoated HSS with cobalt; designed for accurate hole finishing in stainless steel, copper, aluminum alloys, and other tough metals. Commonly used on screw machines, turret lathes, drill presses, and machining centers to achieve true diameters.

✅ Cutting dia: 3.5mm (0.14in)
✅ Flute length: 18mm (0.71in)
✅ Overall length: 76mm (2.99in)
✅ Accuracy: D4; cobalt HSS (M35)
✅ Round shank; straight flute for chip collection
✅ Uncoated, heat-treated for stable performance

💡 What is a precision chucking reamer used for in metalworking and why is cobalt HSS preferred? This handy tool helps finish holes to precise diameters in tough metals.

- handy for finishing through and blind holes in stainless steel, alloy steel, and nonferrous metals - fits into drill presses, screw machines, turret lathes, and machining centers - provides improved wear resistance and longer life with cobalt HSS (M35) - ideal for light cuts, repair work, and stock removal