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Retention Knobs BT Tool Holders

RETENTION KNOBS FOR BT 30 & BT 35 TOOL HOLDERS
Prices are pulled from our database in real time. Press Add button to see product price.
USST [G] Knob Socket 1/2" drive [D]
Note Fig. Head Dia. B Neck Dia. A Angle E º Length C Length to Head J Flange Thick Part Number Max Torque ft / lbs
BT 30 SHANK HOLDERS (M12 - 1.75 Thread)- MAS 403 Style or JMTBA Style
P30T I
45º-Pilot		 3 0.433 (11mm) 0.276 (7mm) 45° 0.709 (18mm) 0.905 (23mm) 0.197 (5mm) B30-4500S
40 RK-W30M-A

P30T I
45º-Pilot		 3 B30-4500H
40
P30T II 60º-Pilot 3 60° 0.709 (18mm) 0.905 (23mm) 0.197 (5mm) B30-6000S
40
P30T III 90º-Pilot 3A 90° 0.709 (18mm) 0.905 (23mm) 0.200 (5.1mm) B30-9000S
40
Pilot 3 0.472 (12mm) 0.315 (8mm) 75° 0.724 (18.4mm) 0.921 (23.4mm) 0.200 (5.1mm) B30-7500H
40
Chiron No Pilot 2 0.393 (10mm) 0.236 (6mm) 45° 0.630 (16mm) 0.787 (20mm) - - 40 -
BT 35 SHANK HOLDERS (M12 - 1.75 Thread)- MAS 403 Style or JMTBA Style
Pilot 3 0.540 (13.7 mm) 0.348 (8.8mm) 45° 0.880 (22.4mm) 1.102 (28mm) 0.157 (4mm) B35-4500S
40 -
Pilot 3 60° 0.880 (22.4mm) 1.102 (28mm) 0.192 (4.9mm) B35-6000S
40 -
Pilot 3A 0.550 (14 mm) 0.310 (7.9mm) 90° 0.788 (20mm) 0.900 (22.9mm) 0.190 (4.8mm) B35-9001S
40 -
Pilot 3A 0.313 90° 0.709 0.906 0.200 B35-9000S
- -
RETENTION KNOBS FOR BT 40 TOOL HOLDERS
Prices are pulled from our database in real time. Press Add button to see product price.
USST [G] Knob Socket 1/2" drive [D]
Note Fig. Head Dia. B Neck Dia. A Angle E º Length C Length to Head J Flange Thick Part Number Max Torque ft / lbs
BT 40 SHANK HOLDERS (M16 - 2.00 Thread)- MAS 403 STYLE or JMTBA Style
Pilot 2 0.590 (15mm) 0.394 (10mm) 45° 0.989 (25.1mm) 1.265 (32.1mm) 0.242 (6.1mm) B40-4502S
85 RK-W40-A

P40T I
45º-Pilot		 3 1.102 (28mm) 1.377 (35mm) 0.236 (6mm) B40-4500H
85
P40T I
45º-Pilot		 3 B40-4500S
85
P40T II 60º-Pilot 3 60° 1.102 (28mm) 1.377 (35mm) 0.236 (6mm) B40-6000H
85
P40T II 60º-Pilot 3 B40-6000S
85
P40T III 90º-Pilot 3A 90° 1.102 (2mm) 1.377 (35mm) 0.236 (6mm) B40-9000H
85
P40T III 90º-Pilot 3A B40-9000S
85
BT 40 SHANK HOLDERS (M16 - 2.00 Thread)-U.S. ANSI Style
ANSI STD
metric-NoPilot		 4 0.740 (18.8mm) 0.490 (12.5mm) 45° 0.440 (11.2mm) 0.640 (16.3mm) 0.120 (3mm) B40-4503H
85 RK-W40-A

ANSI STD
metric-NoPilot		 4 B40-4503S
85
Pilot=0.669 4A 0.550 (14mm) 0.755 (19.2mm) 0.240 (6.1mm) B40-4501H
85
Pilot=0.669 4A B40-4501S
85
BT 40 SHANK HOLDERS (M16 - 2.00 Thread)- ISO TYPE A Style
Pilot 6A 0.748 (19mm) 0.551 (14mm) 75° 0.905 (23mm) 1.141 (29mm) 0.275 (7mm) B40-7500H
85 RK-W40-A

Pilot 6A 0.275 (7mm) B40-7500S
85
No Pilot 2 - - 85
BT 40 SHANK HOLDERS (M16 - 2.00 Thread)- DIN 69872 Form A Style
DIN A Std Pilot 6 0.748 (19mm) 0.551 (14mm) 75° 0.787 (20mm) 1.023 (26mm) 0.157 (4mm) B40-7501H
85 RK-W40-A
DIN A Std Pilot 6 - 85
RETENTION KNOBS FOR BT-45 & BT 50 TOOL HOLDERS
Prices are pulled from our database in real time. Press Add button to see product price.
USST [G] Knob Socket 1/2" drive [D]
Note Fig. Head Dia. B Neck Dia. A Angle E º Length C Length to Head J Flange Thick Part Number Max Torque ft / lbs
BT 45 SHANK HOLDERS (M20 - 2.50 Thread)- MAS 403 Style or JMTBA Style
P45T I
45º-Pilot		 3 0.748 (19mm) 0.551 (14mm) 45° 1.22 (31mm) 1.574 (40mm) 0.31 (8mm) B45-4500S
100 RK-W45M

P45T II 60º-Pilot 3 60° 1.22 (31mm) 1.574 (40mm) 0.31 (8mm) B45-6000S
100
P45T III 90º-Pilot 3A 90° 1.22 (31mm) 1.574 (40mm) 0.31 (8mm) B45-9000S
100
BT 50 SHANK HOLDERS (M24 - 3.00 Thread)- MAS 403 Style or JMTBA Style
P50T I
45º-Pilot		 3 0.905 (23mm) 0.669 (17mm) 45° 1.377 (35mm) 1.771 (45mm) 0.394 (10mm) B50-4500H
110 RK-W50M-A

P50T I
45º-Pilot		 3 B50-4500S
110
P50T II 60º-Pilot 3 60° 1.377 (35mm) 1.771 (45mm) 0.394 (10mm) B50-6000H
110
P50T II 60º-Pilot 3 B50-6000S
110
P50T III 90º-Pilot 3A 90° 1.377 (35mm) 1.771 (45mm) 0.394 (10mm) B50-9000H
110
P50T III 90º-Pilot 3A B50-9000S
110
BT 50 SHANK HOLDERS (M24 - 3.00 Thread)- U.S. ANSI Style
No Pilot 8 1.140 (29mm) 0.820 (20.8mm) 45° 0.700 (17.8mm) 1.000 (25.4mm) - - 110 RK-W50-A

Std ANSImetric 4 0.200 (5.1mm) B50-4509H
110
Std ANSImetric 4 0.209 (5.3mm) B50-4509S
110
BT 50 SHANK HOLDERS (M24 - 3.00 Thread)- DIN 69872 Form A Style
DIN Std. A No Pilot 6 1.101 (28mm) 0.826 (21mm) 75° 0.984 (25mm) 1.338 (34mm) - B50-7501S
110 RK-W50M-A

DIN Std. A No Pilot 6 - B50-7501H
110
MITSUI No Pilot 2A 0.950 (24.1mm) - 90° 0.905 (23mm) 1.220 (31mm) 0.2 00 (5.1mm) - 110 -