SK40 Pull Stud Retention knob ISO 7388 B

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SK40 Pull Stud Retention knob ISO 7388 B

  • SK40 45° Pull Stud Retention knobs
  • Works on all SK40 machines ISO7388B
  • All critical surfaces precision ground
  • Made from alloy steel hardened to 54 – 56rc
  • Thru twice heat treatment of each pull stud
  • Angle degree have 45,60 and 90 available
  • Concentricity is less than .0005 at collet face
  • Coolant available
  • Rear thread for pull stud is M16x2
  • Oxide black
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Description

SK40 Retention knobs Pull Stud ISO 7388 B

High-quality low-carbon alloy steel is used for thread processing after quenching.
This type of stud shank has high hardness, wear-resistance, and long service life.
The hardness from the surface of the nail to the core gradually decreases, and the impact resistance is strong.
The size standard is suitable for high-end tool holders; the appearance is all black,
with high internal quality and Good rust effect, widely used abroad, a key recommendation

 

  SK40 Retention knobs Pull stud working principle

The working system of the tool holder pull stud: one end of the pull stud is connected to the machine tool bayonet and one end is connected to the tool holder, and the d part is snapped in according to the degree of the machine tool bayonet, and the thread and the tool holder are tightened.

The axial force transmitted through the pull rod and Tie rod joints and pull studs to tighten the handle. When changing the tool, it is required to loosen the tool holder. When the pull stud is installed on the main shaft of the ordinary machine tool or CNC machine tool, the circular arc joint of the rod body is connected to the front end of the pull rod structure, and the screw joint of the pull stud is extended into the spindle shaft hole.

The internal screw holes of the tool holder are matched and connected to realize the use of the tool holder on ordinary machine tools and CNC machine tools so that the tool holder can be used in both machining centers and ordinary machine tools and CNC machine tools, which improves the tool holder. Versatility reduces production costs.

 We accept Custom OEM Order 

Specification

SK40 Pull Stud Retention knob ISO 7388 B

SK40 Product NO. SK40 Retention knobs
Insulation material Hardened Alloy Steel
Hardness HRC 55
Thread h6  M16 X 2
Color Oxide Black
 Standard Spindle  SK40 PULL STUD
Machine guide  MAZAK MACHINE
Machine Guide  DMG OKUMA & MAZAK MORI-SEIKI

 

SK40 Pull Stud Retention knob

We do have 11 steps to checking retention knob to keep each pull stud in high-performance products on your tool holder

From material -production online -Longlife time testing -resistance testing and run out testing

 

SK40 Pull Stud Retention knob

 

IGSTOOL built in 2007,over 13+years production line include er collet,collet chuck ,cat40 tool holder ,cat40 collet holder ,collet holder ,shrink fit tool holder and slim fit collet chuck machine tools,we made  er collet from er8 ,er16 ,er20 ,er32 ,er40 up to er50 ,collet chucks taper in cat30,cat40,cat50 ,bt30 ,bt40,bt50 and hsk63 iso20 iso30 etc .We made the spring collet
precision up to 3um and er collet chuck up to 0.002mm run out precision.We also provide er collet set ,drill collet,5c collet set and r8 collet set ,our er collet precision
match techniks collet and lyndex collets. otherwise, we accept OEM tool collet and router collet ,lathe collet chuck and 16c collet too.

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