Naiyong Tools 5 Lathe Mill CENTER DRILL COUNTERSINK Bit Tooling SET , M35 HSS 5 % Cobalit Contained , Titanium Plated (1-5 mm)
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Naiyong Tools 5 Lathe Mill CENTER DRILL COUNTERSINK Bit Tooling SET , M35 HSS 5 % Cobalit Contained , Titanium Plated (1-5 mm)
TOP QUALITY CARBIDE MATERIAL: The center drill bit is made of Top quality HSSCO M35. Compared with ordinary high speed steel, M35 material can prolong the service life, enhance wear resistance and remove chippings clearly .Top quality Tatinum plated .
PLAIN STYLE 60 ANGLE: Center drill bit can be used to process the centering hole and countersink of general material. Plain style 60째angle can guide twist drill bits to process holes.
SPIRAL FLUTE: Spiral groove helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process. The precision ground surface is corrosion resistance to achieve better using effects and prolong the working life.
WIDE APPLICATIONS: Top quality Tatinum plated .It is suitable for mold steel, carbon steel, cast iron, stainless steel, thread mold, a material with high hardness, wear-resistance and toughness for precise positioning before drilling, so as to facilitate the efficiency of subsequent drilling.
NCLUDING & LIFETIME GUARANTEE: Total 1 Pack of 5 pieces center bits(#1,#2,#3,#4,#5) with Box Package can be used to drill holes in different sizes. We stand behind all of our high quality products so we offer a lifetime No Question on our drill bits. Please contact us (through Amazon if past the standard return window) and we will be pleased to assist you.
Package Included 1 mm * 33 mm 2 mm * 42 mm 3 mm * 51mm 4 mm * 57 mm 5 mm * 64 mm
Feature 1. Suitable for most general purpose drills 2. Efficient and accurate positioning 3. double face with exhaust sawdust design 4. 5 top quality drill bits
Instructions and precautions for using the center drill: 1. Before using the tool, the rust preventive grease must be cleaned to prevent the chip from sticking to the blade and affecting the cutting performance. 2. The surface of the workpiece to be processed should be straight and free of blisters or hard spots to avoid damage to the tool. 3. The center drill before drilling should achieve the required positional accuracy. 4 .Cutting amount. 5. Cutting fluid: Select different cutting fluids according to the processing object, and the cooling should be sufficient. 6. Precautions: If there is any abnormality during processing, stop it immediately, and check the cause before processing; pay attention to the wear of the cutting edge in time; repair the oil after use, keep it safely.
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