4mm HSS Center Drill, 10mm Shank x 56mm Overall Length x 60° Point Angle, Double End

10pcs of 4.0mm Center Drill Bits Set,High Speed Steel Titanium Coating Drill Bits Kit Countersink Tools for Spotting Lathe Metalworking (4.0mm)

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Center Drill, 4mm, Carbide, Uncoated relieved cone without protective countersink for centre holes to DIN 332, part 1, form A d1 = 0.8 mm: not double ended

Solid carbide center drills provide excellent wear resistance when machining the toughest materials, such as cast iron and stainless steel. Center drills with a plain tip are the standard choice for creating center holes in a piece of stock to prepare it …

Sep 27, 2019 · * Quick cutting speed, and good chip removal for precise center drilling in metals. * Used for all kinds of materials. can be applicable to metal, alloy, iron, steel, copper, aluminum and other processing.

Center Drill, 4mm, HSS, Uncoated relieved cone for centre holes acc. to DIN 332 sheet 1 (issue 09.1960x retracted), Form B with protective 120° countersink

Nov 11, 2023 · Center and spotting drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.

4mm Cobalt Drill Bits - 13 Pack of M35 Cobalt Drill Bits with Storage Case - Perfect Metric Drill Bits for Metal, Hardened & Stainless Steel, Cast Iron, and More!

Center Drill, 4mm, HSCO, Uncoated relieved cone without protective countersink increased wear resistance for centre holes to DIN 332, part 1, form A