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Precision Self-Opening Geometric Style Die Heads

die-head  geometric style

Precision Self-Opening Geometric Style Die Heads

Special purpose production tool for cutting external screw threads.

For machine threading operations.

Work in conjunction with a variety of different size and style thread chasers to precisely cut screw threads.

Cuts left or right hand threads.

Chasers are required to operate the die head, but must be ordered separately.

 
 

FEATURES

 

Manufactured to high precision standards and durable construction.

No need to reverse direction of working spindle; chaser holder changes in seconds - head can remain on machine.

Heads use geometric style design and offer an automatic self-opening feature, which opens the head and disengages the chasers when the proper length of cut threads is achieved.

NOTES ♦Chasers Not Included.

 

FOR HIGH PRECISION SNAP THREADING

  • Mounts on centre lathes, capstans, turrets or similar machine tools.
  • TACO' self operating die-heads are used for cutting threads and are most suitable for heavy duty work and mass production.
  • Die-heads open automatically when the selected thread length is reached eliminating the necessity of reversal of the direction or working spindle.
  • These die-heads are also recommended for large runs of stay bolts, adjusting screws, etc.
  • Normally TACO' die-heads are supplied with a straight shank.
  • The shank is held in position by three screws
  • Most economical thread cutting tool of simple design.
  • Achieve mass production with uniform high accuracy.
  • Most suitable for cutting right & left threads of any form and pitch on any material
  • Easy to operate
  • Reversal of the direction of working spindle not necessary.
  • Fully enclosed type-prevent ingress of chips and dirt.
  • All components made to close tolerance – easy interchangeability.
  • Incorporate very simple arrangement for fixing and removal of chasers.
  • Rugged construction – long service life.
 
 

Specifications

  Part Number     MINIMUM CAPACITY     MAXIMUM CAPACITY     GEOMETRIC EQUIVALENT     MODEL #     SHANK DIAMETER   Bore Size

DH-5/16Dx.625

3/32" (2mm) 5/16"(8mm) 5/16"-D SDG-1 5/8" 3/8"

DH-9/16Dx.625

3/16" (4mm) 9/16" (14mm) 9/16"-D SDG-2 5/8" 3/8"
DH-9/16Dx.750 3/16" 9/16" 9/16"-D SDG-2 3/4" 9/16"

DH-9/16Dx1.0

3/16" 9/16" 9/16"-D SDG-2 1" 5/8"
DH-3/4Dx.750 1/4" (6mm) 3/4" (18mm) 3/4"-D SDG-3 3/4" 9/16"
DH-3/4Dx1.0 1/4" 3/4" 3/4"-D SDG-3 1" 9/16"
DH-1Dx1.0 3/8" (10mm) 1" (24mm) 1"-D SDG-4 1" 9/16
DH-1Dx1.5 3/8" 1" 1"-D SDG-4 1-1/2" 1-1/16"
DH-1.1/4Dx1.5 1/2" (12mm) 1-1/4" (30mm) 1-1/4"-D SDG-5 1-1/2" 1-1/16"

DH-1.1/4Dx 2.0

1/2" 1-1/4" 1-1/4"-D SDG-5 2-1/8" 1-3/8"

download Model SDG instruction manual

Technical catalogue and parts list

 

Trademarks are the properties of their respective owner(s).

August 2024, February 2024, BW57 April 2021

The descriptions, illustrations, specifications, dimensions, and part numbers are subject to change without notice.


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