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Your cart is empty.Description: The countersunk head is made of M35 HSS-CO Cobalt, which can Easy process metal or non-metal products below 30 degrees HRC, such as Stainless,cast iron, tool steel, copper and aluminum, alloy steel, iron, die steel and so on. Specification: Name: Industrial Two step drill Material: M35 HSS Cobalt Angle: 90/180 Degree Sizes: OD (Hole Diameter) M12: OD(14X20) M10: OD (11X17.5) M8: OD (9X14) M6: OD (6.6X11) M5: OD (5.5X9.5) M4: OD (4.5X8) M3: OD (3.4X6.5) Quantity: 1pc (optional) Features: - M35 cobalt-containing drill body improves the high temperature resistance and abrasion resistance of the drill bit,drilling hole fast. - Fully ground spiral cutting edge design, high-precision spiral chip flute design,Removed chip fast. - 135 degree double rear angle, sharp drill pin, accurate positioning, no deviation. - Universal round handle, not easy to slip, firm and durable. - The counterbore is processed at one time. - Compatible equipment: machining center, bench drill, etc. Package Included: 1 x Industrial two step drill
Murtiag
2025-08-14 15:14:03
But claims to be a "180°" counterbore bit, but definitely has a trailer to it. Screws will not seat properly in the holes it makes.
David N. King
2025-02-04 12:16:40
The first time I used this M8 counterbore bit in 1/2 inch aluminum plate it broke in half.
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