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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Diameter: 4
Male Thread Size : M4 x 10mm / M4 x 0
39"(D x L)
Mainly use for aviation plug
5 Yards/5m
6542 High-speed Steel 6.5mm Twist Drill Bit 250mm Length Black Oxide Duct Reducers Diameter: 41. It is made of 6542 HSS (high speed steel) steel, which has good toughness and hardness, is not easy to break, and is easy to remove chips. Black oxide surface treatment, good rust resistance long durability. 2. The spiral groove design can avoid the displacement of the drill bit during the working process, and at the same time, the debris can be removed more quickly and easily. Sharp cutting edges provide smooth cutting without burrs. 3. The twist
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