Nachi SG Coated High Performance Low Spiral Bottoming Tap, 4mmX.70mm Size, D4 Thread Limit, 3 Flute

• SG – Premium Cobalt / Vanadium High Speed Steel
• The breaking torque of SG spiral taps is 30% bigger than competitor, SGSP hardly breaks.
• High flexibility for superior performance on a variety of materials, machines, and cutting conditions.
• Achieves easy flow of chips while cutting on Stainless Steels, Structural Steels and Aluminum Alloys.
• Coolant-free operation.
• SG Taps series proved stable tapping in 304 stainless steel with minimal wear after 600 holes.
• For tapping into pre-hardened die steels, mold steel and die steel (25-40 HRc).
• Covers a wide range of applications – Aluminum, Cast Iron, Carbon Steel, Alloy Steel and Stainless Steel.
• Modified bottoming style taps 2-1/2 to 3 thread lead.
• Low spiral design with multilayer SG coating (TiN+TiCN) coating.
• Optimized edge and flute shape allow for stable cutting threads, high rigidity and chip ejection.
• Stable cutting threads and long tool life regardless of cutting speed.
• Right-hand (clockwise) cutting direction.
• Square shank with a smooth surface finishing.
• ANSI Shank DIN Overall Length.

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