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About this product
  • Apply to BT40 retention knob CNC pull stud MAS403-1982 Japanese Standard.
  • The Pull Stud Spanner won't damage the pull studs. Avoid skidding and accidents.
  • High quality medium carbon steel is adopted as materials of spanner head. The surface hardness of spanner is higher than pull studs reaching HRC58-62 to be durable.
  • Blackening the surface of the spanner and installing the rubber handle after chroming gives it a delicate appearance and a comfortable feel.
  • Each batch of products would be sampled for toque testing to ensure the safety.
1. The Pull Stud Spanner won’t damage the pull studs. Avoid skidding and accidents.
2. High quality medium carbon steel is adopted as materials of spanner head. The surface hardness of spanner is higher than pull studs reaching HRC58-62 to be durable.
3. Blackening the surface of the spanner and installing the rubber handle after chroming gives it a delicate appearance and a comfort feel.
4. Each batch of products would be sampled for torque testing to ensure the safety. 


Trade NameBT40 Pull Stud Spanner 
SFX Order No. 63 1835-40
Standard BT40 Type
Material 42CrMo Ultrahigh-strength Steel
BrandSFX 
Manufacturer Direct, Quality Assurance, 
SFX Branded Product, be confident to buy here. 

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BT40 Pull Stud Wrench BT Pull stud wrench for Japanese Standard

  • Model #: I7098UN1
  • Availability: Out of stock
  • $28.00


  • 2 or more $25.00

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