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Through hole machine tap 1.7/8-20

Article no.: 130035 1.7/8-20
Standard configurations usually have faster delivery times.
  • Flank angle: 60
  • Thread standard: ASME B1.1
  • Tolerance class: 1B; 2B; 2B +0.05; 2B +0.10; 2B +0.20; 3B
  • Taper lead form: B
  • Shank: Plain shank with h9

Product details

Technical Data

Thread size 1.7/8-20 UN
Coating TiN
Thread type UN
Flank angle 60 degrees
Tool material HSS E
Standard DIN 376
Thread standard ASME B1.1
Tolerance class 1B; 2B; 2B +0.05; 2B +0.10; 2B +0.20; 3B
Taper lead form B
Shank Plain shank with h9
Through-coolant no
Application for type of drilling up to 3×D for through holes
Cutting direction right-hand
Thread pitch 1.27 mm
Threads per inch 20
Thread ⌀ 47.625 mm
Overall length L 250 mm
Shank ⌀ Ds 36 mm
Shank square □ 29 mm
Tapping hole ⌀ 46.42 mm
Type of threading tool Machine tap for conventional machining
Number of clamping slots 4
Colour ring without
Number of cutting edges Z 4
Thread depth 95.25 mm
Type of product Tap

Identification numbers & Classifications

Article number 130035 1.7/8-20
EAN / GTIN 4062406040772

Application Table

Alu plastics
N
23
Aluminium
N
22
Aluminium (short chipping)
N
23
Steel < 500 N/mm²
P
18
Steel < 750 N/mm²
P
18
Steel < 900 N/mm²
P
15
Steel < 1100 N/mm²
P
9
INOX < 900 N/mm²
M
6
INOX > 900 N/mm²
M
5
GGG
K
10
CuZn
N
23
Uni
 
Oil
 
wet maximum
 

Description

Note:

Delivery time: 49 calendar days
Minimum order quantity: 1 pc.
Special / custom-made product - return not possible

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