Oil-Feed Thread Mills (Whitworth) T788FX / T789FX
For Internal and External Thread
Code No. T788FX
Dc
AlCrN FX
MG Carbide
Thread
Pitch P
Dc mm
Lc mm
L mm
d h6
t Z
AlCrN T788FX
Code No.
BSW
BSF
1/4×20
20 4.6 13.3 50 6 3 20 7.6 19.7 60 8 3 18 5.6 16.2 50 6 3 18 8.8 23.3 75 10 3 16 7 19.860 8 3
T788FX 046 133 W 20 T788FX 076 197 W 20 T788FX 056 162 W 18 T788FX 088 233 W 18 T788FX 070 198 W 16 T788FX 100 261 W 16 T788FX 080 227 W 14 T788FX 128 318 W 14 T788FX 090 265 W 12 T788FX 118 335 W 11 T788FX 140 394 W 10 T788FX 160 437 W 09
● ● ● ● ● ● ● ● ● ● ●
3/8×20
5/16×18
7/16×18
3~5Z
3/8×16
1/2×16 ~ 9/16×16 16 10 26.1 75 10 4
lnternal
0.137P
7/16×14
14 8 22.760 8 4
5/8×14 ~ 11/16×14 14 12.8 31.8 100 16 4
1/2×12 ~9/16×12 3/4×12 ~13/16×12 12 9 26.5 75 10 4
5/8×11 3/4×10
7/8×11
11 11.8 33.5 75 12 4 10 14 39.4 100 16 4 9 16 43.7 100 16 4
R0.137P
External
1×10
● Please refer to page P139 for parameters.
7/8×9
1-1/8×9
Work Material P H M K N S
d
P Steel
H <38HRC
Hardened Steel
H <48HRC
Hardened Steel
M Stainless Steel
For Internal and External Thread
Code No. T789FX
Dc
K Cast Iron
Thread
Pitch P
Dc mm
Lc mm
L mm
d h6
t Z
AlCrN T789FX
Code No.
BSW
BSF
1/4×20
3/8×20
20 4.6 13.3 50 6 3 18 5.6 16.2 50 6 3 16 7 19.860 8 3
T789FX 046 133 W 20 T789FX 056 162 W 18 T789FX 070 198 W 16 T789FX 100 261 W 16 T789FX 080 227 W 14 T789FX 090 265 W 12
● ● ● ● ● ●
S Titanium
5/16×18
7/16×18
3/8×16
1/2×16 ~ 9/16×16 16 10 26.1 75 10 4
S Nickel
7/16×14 5/8×14 ~ 11/16×14 14 8 22.7 60 8 4
1/2×12 5/8×11
3/4×12 ~13/16×12 12 9 26.5 75 10 4
S High Temp Alloys
7/8×11
11 11.8 33.5 75 12 4
T789FX 118 335 W 11 ● Please refer to page P140 for parameters.
Feature of product: Suitable for carbon steel, alloy steel, below HRC48 hardened steel, stainless steel, and cast iron…etc.
d
137
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