Vigor's  Drilling Stabilizer is made from AISI 4145 H Modified Alloy Steel .Heat treated to 285-341 Brinell Hardness and 54 Joules minimum impact value.  

All physical properties would be guaranteed 1" below the surface. All threads are made strictly in accordance with API 7-1 specification. Qualified to NS-1 Standard.

 

HARD FACING TYPE:

HF1000 Hard Facing with Crushed Carbide

HF2000 Hard Facing with Crushed Carbide with Trapizoidal Insert

HF3000 Hard Facing with Tungsten Carbide insert set in a power spray deposit

HF4000 Hard Facing with Tungsten Carbide insert set

HF5000 Hard Facing with Fused Tungsten Carbide in Nickle Chrome boron matrix