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- Contact Person : Mr. Chen Jack
- Company Name : Danyang Leesho Tools Factory
- Tel : 86-511-86320019
- Fax : 86-511-86120006
- Address : Jiangsu,Danyang,Houxiang, ShiJiJiaYuan
- Country/Region : China
- Zip : 212312
Product Detailed
Related Categories:Drill Bit
Related Product Searches:Cobalt HSS Straight Shank Twist Drill Bits,High Quality,drill bit, twist drill
1. type: hss twist drill bit
2. material: HSSCo
3. standard: DIN338
4. manufacturing process: fully ground
5. finish: amber
Test point: On the lands at the cornersTesting equipment: micrometer Test values: The taper on diameter amounts to 0.02 to 0.08mm over a length of 100mm.Test point: At the outside diameter on the land.Testing equipment: micrometer and indicating measuring instruments. Test value: σ=118°; σ=135°Test point: At the cutting edgesTesting equipment: Universal bevel protractor indicating measuring instruments. Materials - M2, M35, M42, 9341, 4341, 4241, etcHardness - HSS HRC63-66; HSSCo HRC64-68Test point: On outside diameter on the land or adjacent relieved land.Test equipment: Hardness Tester. Twist drills with diameter 3mm and upwards shall be marked with: Without thinningSuitable for drill of general purpose.Thanks to thin web thickness, web thinning is not need.This without web thinning type is applied to design of drills for mild steel, alloy steels, cast iron, stainless steel, titanium, inconel, etc. and conventional cutting conditions.Type C thinning (DIN1412 FORM C, SPLIT POINT) Because split point enables good centering when drilling and breaks the chips, chip removals is easy.Suitable for drill design in high hardened tough materials, i.e, heat treated steel, titanium alloy, stainless steel, incoroy inconel, nimonic, etc.
Related Product Searches:Cobalt HSS Straight Shank Twist Drill Bits,High Quality,drill bit, twist drill
Cobalt HSS Straight Shank Twist Drill Bits
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