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

Bonmac Big Bore 4 Jaw Independent Lathe Chuck (EHD SERIES) Size 12"

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The Bonmac Big Bore 4 Jaw Independent Lathe Chuck (EHD SERIES) provides precise, independent jaw control for complex machining operations. This 12-inch model features a 100mm bore and 160mm PCD for versatile workholding. • Size: 12 inches • Bore: 100mm • PCD: 160mm • Mounting Recess: 140mm

₹22,700per unit₹26,105Save 13%
+ 18% GST · Excl. delivery
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Specifications

For: Size 12"
Product Type
Independent Lathe Chuck
Size
Size 12"
Series
EHD-BB
Item Code
5094-12
Bore(mm)
100
PCD
160
Mounting Recess (mm)
140

Configurations

Click a row to switch
VariantBore(mm)Mounting Recess (mm)PCDItem CodePrice
Size 12"1001401605094-12₹22,700
Size 14"1271752005094-14₹26,900
Size 16"1272001755094-16₹39,000
Size 16"E1602002255094-16E₹39,000
Size 18"1272001755094-18₹45,300
Size 18"E1602002255094-18E₹45,300

Versatile Industrial Applications

  • Suitable for aerospace component manufacturing and testing
  • Effective in automotive prototype development and repair shops
  • Ideal for tool and die making requiring custom geometries
  • Used in oil and gas sector for large valve and flange machining
  • Supports general engineering workshops with diverse job requirements
  • Perfect for research labs handling unique experimental parts

Robust EHD Series Construction and Durability

  • Engineered for the demanding Bonmac EHD-BB series standard
  • High-grade steel construction ensures long-term structural integrity
  • Precision-ground surfaces maintain accuracy over extended usage
  • Resistant to wear from heavy cutting forces and vibrations
  • Built to withstand harsh industrial workshop environments
  • Delivers consistent performance across various lathe models

Big Bore Design for Large Diameter Workpieces

  • Generous through-bore accommodates large diameter bar stock
  • Facilitates continuous feeding of long materials without interruption
  • Reduces setup time for high-volume production runs
  • Optimized internal geometry supports heavy-duty turning operations
  • Enhances workflow efficiency for large-scale industrial applications
  • Designed to handle substantial material volumes with stability

Independent Jaw Control for Complex Geometries

  • Four individually adjustable jaws allow precise positioning of each jaw
  • Enables machining of non-circular, eccentric, or irregular workpieces
  • Independent movement ensures accurate centering for complex setups
  • Ideal for one-off prototypes and specialized manufacturing tasks
  • Provides superior flexibility compared to self-centering chucks
  • Supports secure clamping of odd-shaped components with ease

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.

Frequently asked

Can this chuck hold square or rectangular workpieces?

Yes, independent jaws can be positioned individually to clamp square, rectangular, or irregular shapes.

Is this chuck compatible with all standard lathes?

It is designed for standard mounting configurations; verify spindle interface compatibility before purchase.

What maintenance is required for independent jaws?

Regular cleaning of threads and lubrication of rack gears ensure smooth operation and longevity.

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Full description

The Bonmac Big Bore 4 Jaw Independent Lathe Chuck (EHD SERIES) provides precise, independent jaw control for complex machining operations. This 12-inch model features a 100mm bore and 160mm PCD for versatile workholding. • Size: 12 inches • Bore: 100mm • PCD: 160mm • Mounting Recess: 140mm