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Boring Rings & Chuck Jaws

TL Type

Features :  

  • Quickly bore jaws in a single operation with no plugs or rings
  • For use on 3 jaw chucks (4 jaw versions are available - (contact us)
  • Suitable for CNC or Manual  lathes
  • Easy to attach. No tools needed 
  • Jaws are bored at same clamping pressure used to hold part for higher accuracy 
  • Three sizes cover chuck range as follows:   
  •     TL-100 for  5", 6", and 8" chucks
  •     TL-125 for 6", 8", and 10" chucks  
  •     TL-160 for 8", 10", and 12" chucks               

Assembly Illustration

JB Type

Features : 

  • Ideal for machining soft jaws on 3 jaw chucks
  • Attaches quickly without tools.
  • Applies equal pressure on all jaws.
  • Attaches to front of jaws, compensating for “jaw lift.”
  •  JB Type nominal sizes :
  •    JB-05 for 5" chucks  
  •    JB-06 for 6" chucks
  •    JB-08 for 8" chucks      
  •    JB-10 for 10" chucks    
  •    JB-12 for 12" chucks    
  •    JB-15 for 15" chucks
  •  A 4" version is available but not stocked 

Assembly Illustration

Master Standard Soft Steel, Serrated Top Jaws 

  • Set of 3 Steel Jaws
  • 1.5mm x 60 deg. Standard Serrations
  • Material: S45C Steel
  • Mounting bolt size is shown in column S-9 in chart below.

Master Stepped Hard Top Jaws

  • 3 Jaws per Set
  • Serrations - 1.5mm x 60°Deg  Standard
  • Jaws for 10" chucks and smaller have two steps and the 12" and 15" have one step - see fig 2. in diagram below.
  • Material:  SNCM 21 Steel   Hardened to HRC 58-6

The Master Stepped Hard Top Jaws are adaptable to most  lathe chucks

with 1.5mm x 60° serrations. 

Master Standard Aluminum, Serrated Top Jaws 

  • Set of 3 Aluminum Jaws
  • 1.5mm x 60 deg. Standard Serrations
  • Material:  6061 T6 Aluminum
  • Mounting bolt size is shown in column S-9 in chart below.