NPU DRILL CHUCK
Being given favorable reception for its Compactness, High Precision & High Rigidity. The shank body fabricated solidly with the keyless drill chuck eliminates the possibility of slipping-off. The attached tightening wrench prevents slipping-off of drill to ensure the safety in unmanned operation. Chucking torque three times as large as ever before. There is no possibility of slipping-off of the carbide drill etc.
3 Times Larger Chucking Power
Groove for Wrench
L
ℓ
Chucking Length ( ℓ ) NPU 8 : 18.8mm NPU13 : 26.5mm
BT-NPU
φ D
L
TAPER
Chucking Dia
Weight (kg) 0.7 1.2 1.2 1.5 1.7 1.5 2.2 2.7 3.8 3.9 4.3 4.1 4.6 5.2
Code No.
D
MIN. 76.5 102.1 76.5 115.5 160.5 86.1 137.1 182.1 87.5 115.5 175.5 97.1 137.1 197.1
MAX. 83.5 113.1 83.5 122.5 167.5 97.1 148.1 193.1 94.5 122.5 182.5 108.1 148.1 208.1
0.3 ～ 8 1 ～ 13
BT30-NPU 8- 70 -NPU13- 95 BT40-NPU 8- 70
38 48.5
No.30
(IT40)
0.3 ～ 8
-110 -155 -NPU13- 80
38
No.40
1 ～ 13
-130 -175 BT50-NPU 8- 85
48.5
(IT50)
0.3 ～ 8
-110 -170 -NPU13- 90
38
No.50
1 ～ 13
-130 -190
48.5
★ Centre Through Type Drill Chuck has different L-length & Code No. ★ Flange Through Type Drill Chuck has different L-length & Code No.
★ Wrench is available as an option. NPU8: NPUL-8, NPU13: NPUL-13 . ★ In case of IT40, IT40-NPU8-80 is the shortest length. ★ In case of IT50, IT50-NPU8-80 is the shortest length.
P.46 , Pull Stud with Oil Hole
P.320 .
P.46 .
JACOBS TAPER ADAPTER
Taper contact area of more than 80% ensures reliable drilling with no chattering accompanied.
H
L
H 1
φ C φ D
JTA
JT.No.
Code No. -L
JT. No.
D
Weight (kg)
H
H 1
C
TAPER No.30 No.40 No.50
BT30-JTA6-30 BT40-JTA6-45, 90 BT50-JTA6-45, 105
1.0 1.1, 1.4 4.0, 4.4
6
4
30
17.17
24
★ Each Drill chuck Adapter is supplied without drill chuck. ★ For high speed and high accurate application, Slim Chuck
P.35 is highly recommended.
45
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