Page 526 - YG 2019

TECHNICAL TECHNICAL

DATA DATA

7 STANDARD PIPE TAP DIMENSION (STRAIGHT AND TAPER, GROUND THREAD) 8 STANDARD FORMING TAP DIMENSION

(d 1) (d1)
(L) (L) (L) (D) (D) (D)
(L 2)
(L 1) (L 3) (L 1) (L 3) (L 1) (L 3)
(L 1) (L 3) (L 1) (L 1)
(L 3)
(L 2) (L 3) (L 2)
(D) (D) (D) (L)
(L) (L)

Forming Tap Blank (Inch)

Overall Thread Shank Square Square Optional Nominal Overall Length Thread Length Neck Length Shank Diameter Square Length Square Size Blank Design
Nominal Length Length Diameter Length Size Neck Length Size No.
Size (L) (L1) (L2) (D) (L3) (a)
(L) (L1) (D) (L3) (a) (L2) #0 1.63 .31 – .141 .19 .110 1
1/16 2.13 .69 .3125 .38 .234 .375 #1 1.69 .38 – .141 .19 .110 1
1/8 2.13 .75 .3125 .38 .234 … #2 1.75 .44 – .141 .19 .110 1
1/8 2.13 .75 .4375 .38 .328 .375 #3 1.81 .50 – .141 .19 .110 1
1/4 2.44 1.06 .5625 .44 .421 .375 #4 1.88 .56 – .141 .19 .110 1
3/8 2.56 1.06 .7000 .50 .531 .375 #5 1.94 .63 – .141 .19 .110 1
1/2 3.13 1.38 .6875 .63 .515 … #6 2.00 .48 .69 .141 .19 .110 1
3/4 3.25 1.38 .9063 .69 .679 … #8 2.13 .50 .75 .168 .25 .131 1
1 3.75 1.75 1.1250 .81 .843 … #10 2.38 .63 .88 .194 .25 .152 1
1-1/4 4.00 1.75 1.3125 .94 .984 … #12 2.38 .63 .94 .220 .28 .165 1
1-1/2 4.25 1.75 1.5000 1.00 1.125 … 1/4 2.50 .86 1.00 .255 .31 .191 2
2 4.25 1.75 1.8750 1.13 1.406 … 5/16 2.72 .93 1.13 .318 .38 .238 2
2-1/2 5.50 2.56 2.2500 1.25 1.687 … 3/8 2.94 .98 1.25 .381 .44 .286 2
3 6.00 2.63 2.6250 1.38 1.968 … 7/16 3.16 .95 1.44 .323 .41 .242 3
3-1/2 6.50 2.69 2.8125 1.50 2.108 … 1/2 3.38 1.00 1.60 .367 .44 .275 3
4 6.75 2.75 3.0000 1.56 2.250 … 9/16 3.59 1.00 1.66 .429 .50 .322 3
5/8 3.81 1.00 1.81 .480 .56 .360 3
3/4 4.25 1.00 2.0 .590 .69 .442 3

Forming Tap Blank (Metric)
Nominal Overall Length Thread Length Neck Length Shank Diameter Square Length Square Size Blank Design
Size (L) (L1) (L2) (D) (L3) (a) No.
M2 1.75 .40 – .141 .19 .110 1
M3 1.94 .63 – .141 .19 .110 1
M4 2.13 .50 .75 .168 .25 .131 1
M5 2.38 .63 .88 .194 .25 .152 1
M6 2.50 .86 1.0 .255 .31 .191 2
M8 2.72 .93 1.13 .318 .38 .238 2
M10 2.94 .98 1.25 .381 .44 .286 2
M12 3.38 1.00 1.60 .367 .44 .275 3

526 • phone:+1-800-765-8665, Technical Support : 888-868-5988, www.yg1usa.com phone:+1-800-765-8665, Technical Support : 888-868-5988, www.yg1usa.com • 527