HSS Step Drill Bits
Step Drill Bits are perfect for drilling multiple-size holes in thin sections of metal,
Port: Shanghai
Minimum Order Quantity: 200 Piece/Pieces each size
Supply Ability: 90000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union
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Packaging Detail: we can offer normal packages or the packages as your needs.
Delivery Detail: 30 days after payments
HSS Step Drill Bits
1.Step Drill Bits are perfect for drilling multiple-size holes in thin sections of metal;
2.plastic and wood using a single bit. Each step drills does the work of many drill-bit sizes;
3.Drills round holes in most metals (steel, brass, aluminium, 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.
| Art No. | Size | Steps | Shank Size |
| 30601011 | 4 - 12mm | 5 step | 6mm/6.5mm |
| 30601012 | 4 - 12mm | 9 step | 6mm/6.5mm |
| 30601013 | 4 - 20mm | 9 step | 8mm |
| 30601014 | 4 - 22mm | 10 step | 8mm |
| 30601015 | 4 - 30mm | 14 step | 10mm |
| 30601016 | 4 - 39mm | 14 step | 10mm |
| 30601017 | 5 - 35mm | 13 step | 13mm |
| 30601018 | 6 - 18mm | 7 step | 10mm |
| 30601019 | 6 - 20mm | 8 step | 10mm |
| 30601020 | 6 - 24mm | 10 step | 10mm |
| 30601021 | 6 - 32mm | 8 step | 10mm |
| 30601022 | 14 - 24mm | 6 step | 13mm |
| 30601023 | 14 - 25mm | 7 step | 13mm |
| 30601024 | 20 - 34mm | 8 step | 13mm |
| 30601025 | 10 - 20mm | 11 step | 10mm |
| 30601026 | 20 - 30mm | 11 step | 13mm |
| 30601027 | 5 - 28.3mm | 10 step | 10mm |
| 30601028 | 6 - 30mm | 13 step | 10mm |
| 30601029 | 6 - 38mm | 12 step | 10mm |
| 30601030 | 6 - 26.75mm | 7 step | 10mm |
| 30601031 | 6 - 39mm | 12 step | 10mm |
| 30601032 | 6 - 37mm | 12 step | 10mm |
| 30601033 | 6 - 32mm | 9 step | 10mm |
| 30601034 | 6 - 40mm | 16 step | 13mm |
| 30601035 | 4 - 32mm | 15 step | 10mm |
Model No.: Many
Features: 1.tapered rock drilling tool
2.many type and ore mining
3.export many countries
4.high quality and good price
5.own factory
Model No.: PDC
Features: pdc drill bit
ISI9001 and ISO14001
high quality and the lower price
suitable for the Mining, Quarrying and coal-cutting
OEM
Model No.: HSDB3.5"
Features: wet concrete drill core bit
1.11/4UNC thread drill bit
2.sharpness and long span
3.UKAS certification
4.Factory credity
Model No.: TERC
Features: carbide drill bit
carbide drill bit made of super micro-gain solid carbide.
Model No.: 65L.75L.95L.
Features: glass diamond drill bits
1. Original manufacturer
2. High drilling efficiency
3. Competitive price
4. ISO9001 & OEM
Model No.:
Features: Diamond core bits from diameter 2mm to 6mm
Model No.: XD
Features: Glass hole saws
Sharp, more wearable, long life, no fragile when working, can adjust the grit according to customers' request
Model No.: 25mm-450mm
Features: 1. The drill bit can drill fast
2. Longer service life
3. High efficiency
4. More than 25 years professional experiences
Model No.:
Features: TCI tricone bit
1.high toughness
2.high durability
3.covers almost all IADC code
Model No.: 5--17 1/2
Features: we can give yoou the enough and lowest price and high quqality
Model No.: AQ,BQ,NQHQ,PQ
Features: Natural Surface-set Diamond Core Drill Bit
1.32 years history
2.Size: 46~325mm
3.Cut rock from soft
4. ISO9001
Model No.: D-024
Features: Straight shank twist drills with long using life and the best prices.