ZK TAP COLLET (ISO, IMPERIAL, DIN)
Can be used with all NIKKEN Floating Tapper Chucks. Torque Limitter Mechanism built-in.
Rotary Bearing Cam
Safe Torque Setting Nut
1
1
H 1
H 1
φ D 3
φ D 4
φ D 3
φ D 4
Fig. 1
H
Rotary Taper Cone
H
Fig. 2
Total length “ ℓ ” is calculated as ; ℓ = Tap length - ℓ 1 + H
D 4 D 3 H 1 68 110 13 H 29.5 64 89 ZK8 ZK38 ZK65 13 23 6.5 45 78 12
Spring
New Tap Clamp System
ZK
ZK8 type is semi-standard.
φ D 1
φ D 1
φ D 1
ZK 8
ZK38
ZK65
TAP SPEC.
φ D
W �
φ D
W �
φ D
W �
Fig
Fig
Fig
ℓ 1
ℓ 1
ℓ 1
Code No.
D D 1
W
Code No.
D D 1
W
Code No.
D D 1
W
ZK65-36S -39S -42S -45S -48S -52S -56S -60S -64S ZK65-1 1/4 PS
ZK38-18S -20S -22S -24S -27S -30S -33S -36S
ZK8-2S -3S -4S -5S -6S
2 2.5 2.0 22.5 3 3.15 2.5 23.5 4 4.0 3.15 24.5 5 5.0 4.0 25.5 6 6.3 5.0 26.5
18 20
36 25.0 20.0 58 39 28.0 22.4 60 45 31.5 25.0 65 42
14 11.2 44
1
2
22 16 12.5 46 24 18 14 48
ISO Metric
2
27 30 33 36
48 52 56 60 64
22.4 18 56 25 20 58 20 16 54
35.5 28.0 68
2
40.0 31.5 71
ZK38- 3/8 PS - 1/2 PS - 5/8 PS - 3/4 PS - 7/8 PS - 1 PS ZK38- 3/4 S - 7/8 S - 1 S -1 1/8 S -1 1/4 S -1 3/8 S ZK38- 3/8 PB
41.910 47.803 53.746 31.5 25 51 55 35.5 28 40 31.5 62 59.614
16.662 20.955 22.911 26.441 12.5 10 34 16 12.5 38 18 14 40 20 16 46 22.4 18 48 30.201 33.249 25 20 19.050 50 14 11.2 44 46 22.225 16 12.5 25.400 18 14 48 28.575 20 16 54 56 31.750 22.4 18 34.925 25 20 58 16.662 13.77 10.31 33.7 39.9 20.955 17.45 13.08 22.911 20.32 15.3 39.5 26.441 23.01 17.3 43.5 45.1 30.201 27.76 20.6 33.249 28.57 21.4 46.6 16 12 45 47 14 11 44 22 (Din 376) 18 14.5 24 (Din 376) 27 (Din 376) 20 16 53 20 (Din 376) 18 (Din 376)
ISO Pipe
-1 1/2 PS -1 3/4 PS - 2 PS
1
2
ZK8-No.2S -No.3S -No.4S
2.18 2.8 2.24 23.5 2.515 2.845 3.15 2.5 3.175 23.5 3.505 3.55 2.8 4.166 4.5 3.55 24.5 4.826 5.0 4.0 25.5 5.480 5.6 4.5 6.350 6.3 5.0 26.5
2
-No.5S (1/8S) -No.6S -No.8S -No.10S (3/16S) -No.12S - 1/4 S
ZK65-1 1/2 S -1 3/4 S - 2 S -2 1/4 S -2 1/2 S ZK65-1 1/4 PB -1 1/2 PB -1 3/4 PB - 2 PB ZK65-36D -39D -42D -45D -48D -52D -56D -60D -64D ZK65-1 1/8 R
41.910 38.100 44.450 50.800 57.150 63.500
28 22.4 60 65 31.5 25.0 35.5 28.0 68 40.0 31.5 71
2
1
IMPERIAL BSW BSF
2
2
33.32 25.0 51 50 47.803 38.10 28.57 53.746 41.28 30.94 62 59.614 47.63 35.71 56
- 1/2 PB - 5/8 PB - 3/4 PB - 7/8 PB - 1 PB
1
2
IMPERIAL Pipe
2
ZK8-2D -3D -4D -5D -6D -8D
ZK38-18D -20D -22D -24D -27D -30D -33D -36D ZK38- 3/8 R - 1/2 R - 5/8 R - 3/4 R - 7/8 R - 1 R
3.5 2.7 24.5 2.8 2.1 23.5
3 (Din 371) 2 (Din 371)
(Din 353) (Din 353) (Din 353) (Din 353) (Din 353) (Din 353) 52 (Din 376) 56 (Din 376) 60 (Din 376) 64 (Din 376) 39 (Din 376) 36 (Din 376) 42 (Din 376) 45 (Din 376) 48 (Din 376)
32.0 24.0 61 28.0 22.0 59 36.0 29.0 69 40.0 32.0 72 45.0 35.0 75
1
4 (Din 371) 4.5 3.4 5 (Din 371) 6 (Din 371) 6.0 4.9 26.5 8 (Din 376)
2
2
DIN Metric
30 (Din 376) 33 (Din 376) 36 (Din 376)
22 18 55 25 20 57 28 22 59
2
37.898 28.0 22.0 51 50.0 39.0 78 41.910 32.0 24.0 53 44.325 47.803 36.0 29.0 55 53.746 59.614
16.662 12 9 33 20.955 16 12 37 22.911 18 14.5 39 26.441 20 16 45 30.201 22 18 47 33.249 25 20 49
-1 1/4 R -1 3/8 R -1 1/2 R -1 3/4 R - 2 R
1
2
DIN Pipe
2
★ Tap collet Code No. “ ZK " is for ISO , IMPERAL and DIN Taps. ★ Tap collet Code No. “ ZKN ” is for JIS Taps. Please refer
P.292 for ZK New tap collet.
294
Powered by FlippingBook