Kyocera - Монолитный осевой инструмент 2016 ENG
для заказа - kyocera@kyocera-tools.ru TAP DIMENSIONS
TAPS ENGINEERING DATA
PULLEY TAP DIMENSIONS
Tap Dimensions, Ground Thread
(Ref. USCTI Table 310)
DRILLS
END MILLS
Nominal Tap Dimensions - Inches ROUTERS
Fractional
Diameter Overall Thread Neck Square Length of Shank Shank Size of THREAD MILLS
Length Length Length Length Close Tol. Section Dia. Square & TAPS
Inches d1
L l l1 l2 l4 a
1/4 (.2500) 0.2550
6,8 1.00 0.38 0.31 1.50 0.1910
5/16 (.3125) 0.3180
6,8 1.13 0.38 0.38 1.56 0.2380
3/8 (.3750) 0.3810
6, 8, 10 1.25 0.38 0.44 1.63 0.2860
7/16 (.4375) 0.4440
6,8 1.44 0.44 0.50 1.69 0.3330
1/2 (.5000) 0.5070
6, 8, 10, 12 1.66 0.50 0.56 1.69 0.3800
5/8 (.6250) 0.6330
6, 8, 10, 12 1.81 0.63 0.69 2.00 0.4750 ENGRAVERS
3/4 (.7500) 0.7590
10, 12 2.00 0.75 0.75 2.25 0.5690
Element Tolerances Direction Tolerance BORING BARS
Overall Length - L Size Range Plus or Minus 0.063 REAMERS
Thread Length - l Plus or Minus 0.063
Neck Length - l1 1/4 to 3/4 inc. See Note - 1 See Note - 1
Square Length - l2 1/4 to 3/4 inc. Plus or Minus 0.031
Length of Shank (close tol.) - l4 1/4 to 3/4 inc. See Note - 2 See Note - 2
Shank Diameter - d1 1/4 to 3/4 inc. 0.005
Size of Square - a 1/4 to 3/4 inc. Minus 0.004
1/4 to 3/4 inc. Minus 0.006
1/4 to 1/2 inc. Minus SAWS
5/8 to 3/4 inc.
NOTES TECHNICAL
1. I1, (Neck Length); neck and its length is optional with manufacturer.
2. I4, (Length of Close Tolerance Shank) is minimum length which is held to eccentricity tolerances per Table 317. INDEX
GENERAL NOTES
a. These taps have an internal center in the thread end.
b. These taps are made to the H3 limits shown in Table 327.
c. For eccentricity tolerances of taps elements see Table 317.
d. d1, (Shank diameter) is approximately the same as the maximum major diameter for that size.
e. a, (Size of Square) is equal to .75 X d1 to the nearest .001 inch.
kyocera@kyocera-tools.ru 203
www.kyocera-tools.ru