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FIRMTECH Round Shank Chisel

Extra-corse carbide + Cold Forging Body

The bullet teeth specially made for the hard and challegning formation.

B47K22H 3080 round shank 22mm diameter carbide bullet teeth with FIRMTECH logo sticker
3050 body 22mm carbide tips with small carbide inserts body protection bullet teeth with FIRMTECH branding
FIRMTECH bullet teeth 22mm tips with carbide strips body protection 3050 body, 3038 shank
3038 round shank, 3060 body 26mm carbide tips core barrel bullet teeth with body protection
3050 special tall body with carbide strips protection FIRMTECH auger teeth for bored piling
3060 body round shank chisel with 25mm carbide tips and carbide strips for body protection with FIRMTECH logo
3060 body 28mm carbide tips hard rock core barrel teeth with FIRMTECH logo sticker
FIRMTECH bullet teeth fat body speciall made for cobble piling formation 3038 round shank chisel

Best Carbide for the best bullet

  • Cobalt percentage: 8%
  • Density (g/cm3): 14.60-14.80
  • Hardness (HRA): 85.4-86.2
  • TRS min(N/mm2)： 1800
  • Grain Size: 6.3-7.3

Master of brazing

More than 90% wholeness of the brazing, the special brazing material we are using can absorb all the stress generated between the top and the shank.

For your special Application we have

All type of Body protection

28mm carbide bullet teeth with laser blazing carbide hard alloy apply

Laser Fusion

Laser Fusion is using the laser to melt the hard facing material. It is idea choice when the formation is highly wear-out.

hard alloy applied cobble fat body bullet teeth

Hard-faced Teratment

Good for the wear-out formation. It is lower cost alternative of Laser Fusion.

small carbides teeth inserted into the bullet teeth body as anti wear out protection

Small Carbide Tips

The small carbide tips are inserted vertical into the body. It offers best body protection while remain the body strength.

a bullet teeth with more than 10 carbides strips as body protection

Carbide Strip Applied

Numbers Carbide Strip is inserted to the body to protect the body head to resist the hardest wearout. Good for the red sandstone.

tall body bullet teeth with carbide strips body protection

Longer Body

Good for the solft formation. The longer body can prevent body touch the rock, increase the penetration rate

hard alloy applied cobble fat body bullet teeth

Fat Head

Body head has been made extra size. A cheaper and better option for cobble formation.