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Left-hand thread through hole and blind hole machine tap 4-8

Article no.: 130051 4-8
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: C
  • Shank: Plain shank with h9

Product details

Technical Data

Thread size 4-8 UN LH
Coating uncoated
Thread type UN-LH
Flank angle 60 degrees
Tool material HSS
Thread standard ASME B1.1
Tolerance class 1B; 2B; 2B +0.05; 2B +0.10; 2B +0.20; 3B
Taper lead form C
Shank Plain shank with h9
Through-coolant no
Application for type of drilling up to 1.5×D for blind holes and through holes
Cutting direction left-hand
Thread pitch 3.175 mm
Threads per inch 8
Thread ⌀ 101.6 mm
Overall length L 180 mm
Shank ⌀ Ds 56 mm
Shank square □ 44 mm
Tapping hole ⌀ 98.6 mm
Type of threading tool Machine tap for conventional machining
Number of clamping slots 12
Colour ring without
Number of cutting edges Z 12
Thread depth 152.4 mm
Type of product Tap

Identification numbers & Classifications

Article number 130051 4-8
EAN / GTIN 4062406054168

Application Table

Alu plastics
N
10
Aluminium
N
10
Aluminium (short chipping)
N
12
Steel < 500 N/mm²
P
8
Steel < 750 N/mm²
P
8
Steel < 900 N/mm²
P
6
Steel < 1100 N/mm²
P
4
INOX < 900 N/mm²
M
4
INOX > 900 N/mm²
M
3
GGG
K
4
CuZn
N
10
Uni
 
Oil
 
wet maximum
 

Description

Note:

Delivery time: 35 calendar days
Minimum order quantity: 1 pc.
Special / custom-made product - return not possible

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