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  2. SPEEDYCUT Tapping Machines Specification Table

Specifications Table

Models Vertical
Horizontal
Incline
Floor
ST-OV
ST-OH
SIT-O
ST-1V
ST-1H
SIT-1
SFT-1
(Heavy Duty) KU Series
ST-2V
ST-2H
SIT-2
SFT-2
ST-3V
ST-3H
SIT-3
SFT-3
Tapping Capacity #000 to 5/16″ #0 to 1/2″ NC #4 to 1 1/2″ NC #6 to 2″ NF
Max. Spindle stroke 1 1/8″ 1 3/4″ 2 1/2″ 2 1/2″
Throat 4 1/2″ 6 1/2″ 8 1/2″ 9″
travel of head 7 1/8″ 10 1/4″ (KU: 16 1/4″) 11 13/16″ 11 13/32″
Max. distance tap chuck to table (Riser blocks available) 7 7/8″ 11 13/16″ (KU: 17 13/16″) 15 1/4″ 15 1/4″
Work table surface 7 1/8″ x 7 7/8″ 8 7/8″ x 9″ 13 3/8″ x 13 3/8″ 15″ x 13 3/8″
Space required 22″ L x 12″ W x 26″ H 24″ L x 13″ W x 26″ H 24″ L x 17″ W x 41″ H 33 1/2″ L x 19″ W x 44 1/8″ H
Max # of strokes/min. 80 65 30 20
Repeatability of stroke 1/5 of Pitch Thread (1/5 of turn)
Motor Rating
(All 3ph.-60cy)
220V
440V
1/3 H.P. (200W)
dtto.
1/2 H.P. (400W)
dtto (KU: 3/4H.P. [600W])
1 1/2 H.P. (750W)
dtto.
2 H.P. (1.5kw)
dtto.
Shipping weight (V) 175 lbs.
(H) 125.lbs.
(V) 250 lbs.
(H) 175 lbs.
KU: V-260 H-175
(V) 550 lbs.
(H) 400 lbs.
(V) 750 lbs.
(H) 575 lbs.
Spindle speed (rpm)

Standard
tapping
pitches

Std. 980, 2010, 2400 560, 915, 1640, 2000 210, 375, 690, 1200 20, 65, 130, 265, 500
Threads
per
inch
120, 112, 100
96, 90, 80
72, 64, 56
48, 44, 40
36, 32, 28
24, 20, (18)
100, 90, 80
72, 64, 56
48, 44, 40
36, 32, 28
27, 24, 20
18, 16, (14, 13)
40, 36, 32, 28
27, 24, 20, 19
18, 16, 14, 13
12, 11 1/2, 11
10, (9, 8, 7)
0.75, 1.0,
1.25, 1.5
1.75, 2.0
2.5, 3.0, 3.5, 4.0
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