Description
Specs
- Type: High Speed Steel (HSS) Round Adjustable Die
- Thread size: Metric M4.5 x.75
- Outer diameter: 13/16 inch
- Finish: Uncoated (Bright)
- Material: High Speed Steel
- Chamfer geometry: One face 2 to 3 thread chamfer for threading; opposite face 1 to 1-1/2 thread chamfer for threading close to a shoulder
- Adjustment: Fine pitch screw spreads or draws the die halves
- Slot: Beveled for use with a machine holder; adjustment can be performed by holder screws after removing the adjusting screw
Features
- Durable threading performance: HSS construction provides improved wear resistance for repeated use on tough or hardened workpieces
- Metric precision: Specifically sized for M4.5 x.75 threads, with precise chamfering to aid start-up and accuracy
- Dual-face chamfers: Chamfers on both faces facilitate threading from different entry conditions and allow clean starts near shoulders
- Adjustable diameter: Fine pitch screw enables controlled opening and closing of the die to match thread depth and material toughness
- Machine holder compatibility: Beveled slot designed to allow adjustment via holder screws when mounted, supporting semi-automatic or production setups
- Practical use scenarios: Ideal for producing or repairing small-diameter metric threads in aluminum or steel, especially where space is limited or a shoulder is present
Physical
- Construction: Round adjustable die built from High Speed Steel; bright uncoated finish
- Dimensional notes: Outer diameter measured as 13/16 inch; thread specification is M4.5 x.75
- Functional design: Chamfered faces and beveled slot optimize start-up, alignment, and adjustment in dedicated die holders
- Usage considerations: Best results achieved when used with appropriate supporting tools or holders to maintain alignment and consistent feed
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