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Retention Knobs BT Tool Holders

RETENTION KNOBS FOR BT 30 & BT 35 TOOL HOLDERS
To order any of these items enter the Part Number into the search bar above. (This will take you to the product page where you can add the item to the shopping cart)
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
To order any of these items enter the Part Number into the search bar above. (This will take you to the product page where you can add the item to the shopping cart)
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
To order any of these items enter the Part Number into the search bar above. (This will take you to the product page where you can add the item to the shopping cart)
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 -