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W9(9341) HIGH SPEED STEEL Applications: It can be used to produce different kinds of too instead of W18 and M2. Characteristic: It is current HSS developed in our country .Its W6Mo5Cr4V2(M2). Chemical Composition:(%) C:0.82 W:9.00 Mo:3.00 Cr:4.10 V:1.50 Mn:0.30 Si:0.30 P≤0.03 S≤0.02 Delivery status

M2 (HSS6542) HIGH SPEED STEELApplications: M2(6542) is suitable for produce in high quality cutting tools, such as hob, knife ,and milling cutter.M2 is suitable for produce in common cutting tools with good wear resistance, also suitable for cold-forming tools.M2 is suitable for produce common tools

M35 HIGH SPEED STEEL (HSS-Co 5%) Applications: This kind steel is suitable for conditions involving thermal stresses and discontinuous cutting. Heavy-duty milling cutters of all kinds, gear cutter, highly stressed twist drills and taps, profile knives, machining for high-strength material, broaches.

M42 HIGH SPEED STEEL (HSS-Co 8%） Applications: This kind steel is suitable for tools subject to server mechanical wear particularly suitable for die sinking cutters, band Saw milling cutters and components of engraving machines including gravers as well as tool bits in automatic lathes. Also suitabl

Main Technical Conditions Of Twist Drill (2) 1). DimensionsDrill diameterThe values indicated in the relevant dimensional standards apply in respect of the diameter of Twist Drills.Test p

The twist drill is the most common type of drill. The shank of the drill is held by the machine tool, which in turn imparts a rotary motion. This shank may be straight or tapered. The body of the drill is typically made up of two spiral grooves known as flutes, which are defined by a helix angle tha