Hss fully ground step drill
1.Hign grade hign speed steel body
2.Size: 4-12mm to 6-30mm
Port: SHANGHAI
Minimum Order Quantity: 1000 Set/Sets
Supply Ability: 100000 Set/Sets per Month
Payment Terms: L/C,D/A,T/T
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Packaging Detail: WOODEN CASE
Delivery Detail: 30-45DAYS
Hss fully ground step drill
1.Titanium Nitride Coating
2.For drilling,enlarging and de-burring holes in metal up to a thickness of 4 mm,Using a suitable
lubricant is recommended
3.3 flat shank
4.Titanium Nitride Coating
Model No.: SSHS
Features: step drill
Made of high quality high speed steel
Model No.: EUBS
Features: drill bit
Solide carbide Hardened steel End mills made of super micro-gain solid carbide.
Model No.: ZCT
Features: drill bit
Solide carbide drill made of super micro-grain solide carbide
Model No.:
Features: electroplated diamond core drill bit
1.Low costs for fast drilling
2.Smooth Surface Finish
3.Long Life when correctly used
Model No.: size 3-3/5" to 26"
Features: Newest Tricone Rock Bits
1)Certified by API & ISO
2)20 experience
3)Best quality and best service
4)FOB 100~3500 USD
Model No.: size 3-3/5" to 26 "
Features: New Tricone Rock Bits
1) Certified by API&ISO
2)20 experience
3)Best quality and best servive
4)FOB100~3300USD
Model No.: HY577
Features: 1)material: carbide
2)specification:API&ISO
3)MOQ:1 piece
4)package:steel box
5)delivery time:according to your order
Model No.: AQ,BQ,NQ,HQ,T Series
Features: 1.Diamond core drill bit
2.Diamond core drill bit for mining,geological exploration
4.Impregnated/surface-set/Electroplated
Model No.: PDC non-core drill bit
Features: Non-coring PDC drill bit For water well,geothermal well,geological,coal mining,geotechnical
High drilling efficiency
Model No.: 50mm; 65mm; 56mm; 65mm.
Features: 1. The 3 blades pdc bits has long service life;
2. High efficiency;
3. Extra-large drainage hole;
4. 24 years experiences.
Model No.: 75mm; 94mm; 113mm etc.
Features: 1.PDC mining bits has 3 reinforced PDC blade;
2.Super anti-wear characteristic;
3.Ultra-durability;
4.Patented products
Model No.: DNTP
Features: cutting tool
1.cutting tool, speical-purpose carbide tips
2.reduced damage of tips
3. better endurance
4.Multi-cut geometry