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Bonmac Big Bore 4 Jaw Independent Lathe Chuck (HD SERIES) — image 1
Bonmac Big Bore 4 Jaw Independent Lathe Chuck (HD SERIES) — image 2
Bonmac Big Bore 4 Jaw Independent Lathe Chuck (HD SERIES) — image 3
Bonmac Big Bore 4 Jaw Independent Lathe Chuck (HD SERIES) — image 4

Bonmac Big Bore 4 Jaw Independent Lathe Chuck Size 305

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The Bonmac Big Bore 4 Jaw Independent Lathe Chuck (HD SERIES) provides precise, independent jaw control for complex machining tasks. This Size 305 model features a 100mm bore and 160mm PCD for secure workholding. • Item Code: 6094-305 • Bore: 100mm • Mounting Recess: 140mm • PCD: 160mm

₹16,900per unit₹19,435Save 13%
+ 18% GST · Excl. delivery
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Specifications

For: Size 305
Size
Size 305
Series
HD-BB
Item Code
6094-305
Bore(mm)
100
PCD
160
Mounting Recess (mm)
140
Product Type
Independent Lathe Chuck

Configurations

Click a row to switch
VariantBore(mm)PCDProduct TypeSizePrice
Size 305100160Independent Lathe ChuckSize 305₹16,900
Size 350127180Independent Lathe ChuckSize 350₹20,200
Size 400127175Independent Lathe ChuckSize 400₹27,700
Size 400E160230Independent Lathe ChuckSize 400E₹27,700
Size 450127175Independent Lathe ChuckSize 450₹32,500
Size 450E160230Independent Lathe ChuckSize 450E₹32,500
Size 450EE210280Independent Lathe ChuckSize 450EE₹34,000
Size 510180235Independent Lathe ChuckSize 510₹51,000
Size 510E210320Independent Lathe ChuckSize 510E₹51,000
Size 510EE250320Independent Lathe ChuckSize 510EE₹61,500
Size 610180235Independent Lathe ChuckSize 610₹70,500
Size 610E210320Independent Lathe ChuckSize 610E₹70,500
Size 610EE250320Independent Lathe ChuckSize 610EE₹70,500
Size 610EEE335377.8Independent Lathe ChuckSize 610EEE₹88,000
Size 610EEEE370377.8Independent Lathe ChuckSize 610EEEE₹88,000
Size 760230311.2Independent Lathe ChuckSize 760₹1,50,000
Size 760E255311.2Independent Lathe ChuckSize 760E₹1,50,000
Size 760EE335377.8Independent Lathe ChuckSize 760EE₹1,75,000

Common Industrial Applications

  • Machining eccentric parts and off-center components
  • Holding castings and forgings with uneven surfaces
  • Repair work requiring re-clamping at different angles
  • Production of specialized shafts and bushings
  • Setup for milling operations on lathe chucks
  • Custom tooling fabrication and prototyping phases
  • Heavy metalworking shops requiring versatile gripping solutions

Heavy-Duty Construction & Durability

  • Built to withstand high torque and cutting forces in industrial environments
  • Hardened steel components ensure long service life under stress
  • Precision-ground teeth provide reliable grip without slippage
  • Robust design minimizes vibration during heavy roughing operations
  • Suitable for continuous use in demanding manufacturing settings
  • Resists wear from frequent jaw adjustments and material contact
  • Maintains accuracy over time despite rigorous daily usage

Independent Jaw Control & Precision

  • Four jaws operate independently for maximum flexibility
  • Ideal for holding irregular, oval, or rectangular stock shapes
  • Allows precise centering of non-concentric workpieces
  • Each jaw can be adjusted separately for custom setups
  • Essential for complex turning operations requiring unique geometries
  • Enables accurate positioning for multi-face machining tasks
  • Reduces setup time for one-off or low-volume production runs

HD Series Design Overview

  • Bonmac Big Bore 4 Jaw Independent Lathe Chuck belongs to the HD SERIES
  • Item Code 6094-305 denotes the specific model configuration
  • Designed for heavy-duty machining with a 305mm size rating
  • Features a large 100mm bore for accommodating substantial workpieces
  • PCD of 160mm ensures robust mounting stability on machine spindles
  • Mounting recess dimension is 140mm for precise alignment
  • Product Type is classified as an Independent Lathe Chuck

Standard Accessories

BONMAC Heavy Duty chucks will stand well ahead in Quality and usage life if compared with competitive brands available in the market. Bonmac chucks will give trouble free service for long period. Operating Key, Mounting Bolts & Inspection Reportis provided with each chuck.

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Full description

The Bonmac Big Bore 4 Jaw Independent Lathe Chuck (HD SERIES) provides precise, independent jaw control for complex machining tasks. This Size 305 model features a 100mm bore and 160mm PCD for secure workholding. • Item Code: 6094-305 • Bore: 100mm • Mounting Recess: 140mm • PCD: 160mm