Specifications
Spiral Flute Taps
1.High speed steel Material.
2.Strict heat treatment
3.Precisely Processing.
DIN374 Metric Size Machine HSS Spiral Flute Taps
Specification:
| 1. Standard: |
DIN374(Metric Size/UNF), Fine Teeth
Spiral Flute |
| 2. Material: |
HSS 4241(W4Mo2Cr4V), HSS 4341(W4Mo3Cr4V), |
|
HSS 6542(W6Mo5Cr4V2), M35 (W6Mo5Cr4V2Co5) |
| 3. Hardness: |
HSS4241: HRC59-61, HSS4341:HRC63-64, HSS 6542:64-65, HSS M35:HRC 66-67 |
|
4. Surface
finishing: |
Bright finishing;Tin-coated; or customization |
| 5.Application: |
For drilling internal threads.
Spiral flute features: Ideal used for threading through hole or blind hole on the material of medium or low carbon steel,
nonferrous metal, stainless steel or other well ductility steel with high efficiency(Hole depth can reach to more than 1.5d) |
6. Size:M3*0.35 To M36*1.5
1/4-28"UNF To 1-1/2"-12UNF
7.Thread standard type:
M: Metric thread
UNC:Unity coarse tooth thread
UNF:Unity fine tooth thread
The quality of HSS tools are basically decided by HSS raw material and heat treatment. We can
keep a strict control of these procedure.
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