HSS Step Drill Bit spiral flute
spiral flute 3 flats shank
good quality and best service
Port: Shanghai
Minimum Order Quantity: 200 Piece/Pieces each size
Supply Ability: 100000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: we can offer normal packages or the packages as your needs.
Delivery Detail: 30 days after payments
HSS Step Drill Bit spiral flute
1.Step Drill Bits are perfect for drilling multiple-size holes in thin sections of metal, plastic and wood using a single bit.
2.Each step drills does the work of many drill-bit sizes.
3.Drills round holes in most metals (steel, brass, aluminum, copper) up to 1/8" (3.2mm) thick as well as in plastic and wood.
4.No center punching or pilot hole drilling is required on most sizes.
5. The bits are easy to keep sharp, and the hole size is easily determined by the diameter markings that are permanently laser-etched in the flute areas.
Model No.: All types
Features: OEM diamond core bit
impregnated/surface-set diamond core bit
ISO9001 diamond core bit
diamond bit good feedback
NQ,HQ bit
Model No.: BQ,HQ
Features: +Diamond Core Bit
-Superior quality,Reasonable price
-Over 10 years manufacture experience
-Do AQ,BQ,NQ,HQ,Non-standard OEM
Model No.: all
Features: Henan Zhongmei Drill Tool Co
Mining Tool Expert
diamond core bit,impregnated diamond core bit,NQ diamond core bit,diamond bit
Model No.: all types
Features: 1.impregnated diamond drill bits ZM brand
2.impregnated diamond drill bits ISO9001
3.NQ,HQ,BQ,PQ,NMLC impregnated diamond bits
Model No.: all types
Features: 1.impregnated diamond bits
2.manufacturer of impregnated diamond bits
3.impregnated diamond bits widely useage
4.best price
Model No.: All types
Features: Manufacturer of impregnated diamond drill bit, surface-set diamond core bit, reaming shell in China for many years.
Model No.: made to order
Features: we have got ISO9001 certificate and our pdc drill bits have been sold to 30 countries all over the world.
Model No.: XD
Features: diamond router bits
1Sharp, more wearable, long life, no fragile
2can adjust the grit according to customers' request
Model No.: 60mm, 66mm, 76mm IADC741
Features: PDC DRAG DRILL BIT
Dia66,75,132(mm)
popular in TURKEYE,IRAQ FOR grouting
5, 51/2,6,6 1/2,7" works in water well n geothermal
Model No.: 6-1/4'' 537
Features: Kingdream TCI tricone bit
1.tricone bit, drill bit2.New and used tricone bits
3.Reliable bearing system
4.Durablity
Model No.: HA537
Features: Kingdream HA537 TCI trione bits
1.certified by API and ISO
2.competitive price
3.large stock
4.high quality
Model No.: IADC417
Features: kingdream water well tricone drill bits
1.certification API & ISO9001
2.established in 1985
3.large stock
4.min order 1pcs