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Drill Rods
Drill Rods
Josh Alloys offers Drill Well Rods. Features: low temperature manufacture preserves carbides; utmost abrasion resistance and cutting action. The principal applications are in fishing tools and stabilisers. Other uses include: masonry drills, rotary cutting tools and earthmoving equipment. Recommendations: composite rod of unique structure to deposit hard carbides uniformly within a nonferrous matrix; controlled low temperature manufacture preserves deoxidizers in alloy, and sharpness and angularity of carbides; tungsten carbide chips can be applied for specialised applications to cast iron, steel and copper alloys; excellent for abrasion and impact applications as extremely tough copper alloy matrix withstands extensive shock loading, improved weldability permits bonding at well below the critical temperatures of ferrous metals; and especially advantageous for improvising carbide tipped drills. Procedure: clear and degrease surface; use the "pure matrix" end where pre-tinning is required; adjust oxyacetylene torch to neutral, and use very large tip size for broad flame; heat tinned surface to remelt temperature, then direct flame onto rod and allow to melt off; avoid overheating; and remove flux residues. Sizes (mm) - mesh range: -3.2 - +1.5; -5 - +3.2; -6 - +5; -10 - +5. Hardness: 200BHN (matrix) 83-91 RA (carbide).