Carbon Steel Threaded Insert - Bright Zinc Plated

INSM12R - 12mm x 1.75mm Right Hand Thread

Mild Steel, Bright Zinc Plated.


McGill threaded inserts are manufactured to be within excellent tolerances. These are commonly used for motorsport when making linkage bars.


  • Ideal for welding into tubes to manufacture 4 link bars, ladder bars, wishbones, castor arms, compression struts, watts linkages etc.
  • Save time by using these in place of dilling and tapping out solid steel. 
  • CNC precision machined.
  • Designed to be welded into standard sizes of CDS or ERW tubing (data specified in below table).
  • Made from Carbon Steel 1045 (C45) *
  • Protective coated for corrosion resistance. (Bright Zinc Plated)
  • Weldable as the thin Zinc coating is burned off easily in the welding process.
  • Great price & Free 1st Class UK P&P.

Weldable Threaded Bung Inserts Dimensions Metric M6 to M12

* Carbon Steel 1045

C45 is a medium carbon steel is used when greater strength and hardness is desired than in the "as rolled" condition. Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed applications. Turned, ground and polished. 

Physical properties (avarage values) at ambient temperature 

Modulus of elasticity [103 x N/mm2]: 205 
Density [g/cm3]: 7.85
Specific heat capacity[J/g.K]: 0.48

 
To complement these nuts, we have a range of other products available in our online store. We supply suitable all components in a range of imperial and metric sizes.