Diamond OSG Patented Diamond Coated Taps for High SiC Aluminum, MMC, and Carbon Fiber
List 329 EXOCARB® DIA-OTT, UNJF, DIN Overall Length
PACKED 1 PIECE
CARBIDE
STRAIGHT FLUTE
DIA
0˚
C/1.5P C/2.5P
Lc
L1
lk
L
Overall Length
Thread Length
Neck Length
Shank Diameter
Square Width
Square Length
Number of Flutes
Thread Size
Class of Fit
Chamfer Type
EDP
Lc (Inch) 0.295 0.295 0.370 0.370 0.374 0.374 0.500 0.500 0.500 0.500 0.606 0.606 0.606 0.606 0.665 0.665 0.665 0.665 0.752 0.752 0.752 0.752 0.858 0.858 0.858 0.858 0.921 0.921 0.921 0.921
L1 (Inch) 0.705 0.705 0.783 0.783 0.827 0.827 0.984 0.984 0.984 0.984 1.189 1.189 1.189 1.189 1.378 1.378 1.378 1.378 1.378 1.378 1.378 1.378
d (Inch) 0.141 0.141 0.141 0.141 0.168 0.168 0.194 0.194 0.194 0.194 0.255 0.255 0.255 0.255 0.318 0.318 0.318 0.318 0.381 0.381 0.381 0.381 0.323 0.323 0.323 0.323 0.367 0.367 0.367 0.367
k (Inch)
lk (Inch)
L (Inch) 2.205 2.205 2.205 2.205 2.480 2.480 2.756 2.756 2.756 2.756 3.150 3.150 3.150 3.150 3.543 3.543 3.543 3.543 3.937 3.937 3.937 3.937 3.937 3.937 3.937 3.937 4.331 4.331 4.331 4.331
3291216 3297016 3291316 3297116 3291416 3297216 3291516 3297316 3291616 3297416 3291716 3297516 3291816 3297616 3298516 3297716 3298616 3297816 3298716 3297916 3298816 3298016 3298916 3298116 3299016 3298216 3299116 3298316 3299216 3298416
No. 4 - 40 UNC 3B
Bottom (1.5P)
0.110 0.188 0.110 0.188 0.110 0.188 0.110 0.188 0.131 0.250 0.131 0.250 0.152 0.250 0.152 0.250 0.152 0.250 0.152 0.250 0.191 0.313 0.191 0.313 0.191 0.313 0.191 0.313 0.238 0.375 0.238 0.375 0.238 0.375 0.238 0.375 0.286 0.438 0.286 0.438 0.286 0.438 0.286 0.438 0.242 0.406 0.242 0.406 0.242 0.406 0.242 0.406 0.275 0.438 0.275 0.438 0.275 0.438 0.275 0.438
3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5
No. 4 - 40 UNC 2B Modified Bottom (2.5P)
No. 6 - 32 UNC 3B
Bottom (1.5P)
No. 6 - 32 UNC 2B Modified Bottom (2.5P)
No. 8 - 32 UNC 3B
Bottom (1.5P)
No. 8 - 32 UNC 2B Modified Bottom (2.5P)
No. 10 - 24 UNC 3B
Bottom (1.5P)
No. 10 - 24 UNC 2B Modified Bottom (2.5P)
No. 10 - 32 UNF 3B
Bottom (1.5P)
No. 10 - 32 UNF 2B Modified Bottom (2.5P)
1/4 - 20 UNC 3B
Bottom (1.5P)
1/4 - 20 UNC 2B Modified Bottom (2.5P)
1/4 - 28 UNF 3B
Bottom (1.5P)
1/4 - 28 UNF 2B Modified Bottom (2.5P)
5/16 - 18 UNC 3B
Bottom (1.5P)
5/16 - 18 UNC 2B Modified Bottom (2.5P)
5/16 - 24 UNF 3B
Bottom (1.5P)
5/16 - 24 UNF 2B Modified Bottom (2.5P)
3/8 - 16 UNC 3B
Bottom (1.5P)
3/8 - 16 UNC 2B Modified Bottom (2.5P)
3/8 - 24 UNF 3B
Bottom (1.5P)
3/8 - 24 UNF 2B Modified Bottom (2.5P)
7/16 - 14 UNC 3B
Bottom (1.5P)
- - - - - - - -
7/16 - 14 UNC 2B Modified Bottom (2.5P)
7/16 - 20 UNF 3B
Bottom (1.5P)
7/16 - 20 UNF 2B Modified Bottom (2.5P)
1/2 - 13 UNC 3B
Bottom (1.5P)
1/2 - 13 UNC 2B Modified Bottom (2.5P)
1/2 - 20 UNF 3B
Bottom (1.5P)
1/2 - 20 UNF 2B Modified Bottom (2.5P)
Stocked Globally Stocked Note: 3B fit taps conform to UNJ Aerospace internal threading applications. Available Upon Request; MOQ May Apply
P
M
K
N
S
Other
Steel
Non-Ferrous
HRSA
MMC (Metal Matrix Compo- sites)
Stainless Steel
Carbon Steel
Thermo- setting Plastics
Nickel Alloy
Titan- ium
Alloy Steel 4140 4340
Thermo Plastics
Cast Iron
Aluminum
Fiberglass Cobalt- Chrome
Copper Alloys
Die Steel
Low Medium High 1010 1018 1035 1045 1065
6Al4V (30 HRC)
6061 7075 Casting
300 400 17-4 PH
Inconel
60-160 SFM 55-120 SFM 30-60 SFM 40-80 SFM
30-60 SFM
Good
Best
634
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Straight Fluted Taps
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