Specifications
1.High speed steel Material.
2.Strict heat treatment
3.Precisely Processing.
DIN371 Spiral Pointed Machine Taps
Specification:
1. Standard:
DIN371(Metric Size/UNC/BSF), Corse Thread
Spiral Pointed
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 Pointed taps features: Apply to thread through hole.(Hole depth can reach to 3d to 4d)
6. Size:M3*0.5 To M52*5
No.5-40UNC To 1-1/2-6UNC
W1/4-20 To W1-1/2-6
BSF1/4-26 To BSF1-10
7.Thread standard type:
M: Metric thread
UNC:Unity coarse tooth thread
UNF:Unity fine tooth thread
BSW:Whitworth coarse tooth thread
BSF:Whitworth 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.
No.1-64UNC |
No.2-56UNC |
No.3-48UNC |
No.4-40UNC |
No.5-40UNC |
No.6-32UNC |
No.8-32UNC |
No.10-24UNC |
No.12-24UNC |
1/4-20UNC |
5/16-18UNC |
3/8-16UNC |
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No.0-80UNF |
No.1-72UNF |
No.2-64UNF |
No.3-56UNF |
No.4-48UNF |
No.5-44UNF |
No.6-40UNF |
No.8-36UNF |
No.10-32UNF |
No.12-28UNF |
1/4-28UNF |
5/16-24UNF |
3/8-24UNF |
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M1.0x0.25 |
M1.1X0.25 |
M1.2X0.25 |
M1.4X0.30 |
M1.6X0.35 |
M1.8X0.35 |
M2.0X0.40 |
M2.2X0.45 |
M2.5X0.45 |
M3.0X0.50 |
M3.5X0.60 |
M4X0.70 |
M4.5X0.75 |
M5.0X0.80 |
M6.0X1.00 |
M7.0X1.00 |
M8.0X1.25 |
M9.0X1.25 |
M10X1.50 |