MAZAK Pull Stud Retention Knob
MAZAK Pull Stud Retention Knob is precision machined from 20CrMnTi alloy steel specifically for MAZAK brand machine tools. Direct replacement for OEM parts ensuring perfect compatibility with original spindle systems. Available in BT40, BT50 (metric thread) and CAT40U, CAT50U (UNC imperial thread) specifications. Features d6 retention hole for precise positioning with spindle pull claw system. T model indicates center coolant-through hole for through-spindle coolant.
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$8k+
8%
$15k+
12%
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Specifications
8 SKUs| Cart+ | SKU | Price | Quantity | Total | d1 (mm) | d2 (mm) | d3 (mm) | d4 (mm) | T | d6 (mm) | L1 (mm) | L2 (mm) | L3 (mm) | L4 (mm) | L5 (mm) | SW (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAZAK-BT40 | $7 | $0 | 18.8 | 12.45 | 22 | 17 | M16 | - | 44.1 | 19.1 | 14.02 | 2 | 3 | 19 | ||
MAZAK-BT40/T | $8 | $0 | 18.8 | 12.45 | 22 | 17 | M16 | 7 | 44.1 | 19.1 | 14.02 | 2 | 3 | 19 | ||
MAZAK-BT50 | $9 | $0 | 29 | 20.83 | 37 | 25 | M24 | - | 65.2 | 25.2 | 17.7 | 2.5 | 5 | 30 | ||
MAZAK-BT50/T | $10 | $0 | 29 | 20.83 | 37 | 25 | M24 | 10 | 65.2 | 25.2 | 17.7 | 2.5 | 5 | 30 | ||
MAZAK-CAT40U | $9 | $0 | 18.8 (0.740") | 12.45 (0.490") | 22 (0.866") | 16.28 (0.641") | 5/8"-11UNC | - | 41.26 (1.624") | 16.26 (0.640") | 11.18 (0.440") | 1.52 (0.060") | 3 (0.118") | 19.05 (0.750") | ||
MAZAK-CAT40U/T | $10 | $0 | 18.8 (0.740") | 12.45 (0.490") | 22 (0.866") | 16.28 (0.641") | 5/8"-11UNC | 7 (0.276") | 41.26 (1.624") | 16.26 (0.640") | 11.18 (0.440") | 1.52 (0.060") | 3 (0.118") | 19.05 (0.750") | ||
MAZAK-CAT50U | $11 | $0 | 28.96 (1.140") | 20.83 (0.820") | 35.56 (1.400") | 26.18 (1.030") | 1"-8UNC | - | 58.5 (2.303") | 25.4 (1.000") | 17.78 (0.700") | 2.54 (0.100") | 5 (0.197") | 30.15 (1.187") | ||
MAZAK-CAT50U/T | $12 | $0 | 28.96 (1.140") | 20.83 (0.820") | 35.56 (1.400") | 26.18 (1.030") | 1"-8UNC | 10 (0.394") | 58.5 (2.303") | 25.4 (1.000") | 17.78 (0.700") | 2.54 (0.100") | 5 (0.197") | 30.15 (1.187") |
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Features
Key product features and specifications that make this product stand out.
Designed specifically for MAZAK brand machine tools
Direct replacement for OEM parts without modification
20CrMnTi alloy steel with head hardness 55-58 HRC
High precision machining with 0.005 mm dimensional accuracy
d6 retention hole for precise spindle positioning
U suffix (CAT40U/CAT50U): UNC imperial thread
T suffix: center coolant-through hole for through-spindle coolant
Technical Drawing
Detailed technical specifications and dimensions for professional reference.
