Jiangsu, China
Business Type:
Registered Capital:
100000 RMB
Plant Area:
101~500 square meters
Management System Certification:
ISO 9001
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available

Step Drill, Step Drill Bit Set, Step Drill Bit manufacturer / supplier in China, offering 3PCS Titanium HSS Step Drill Bit Set, Aluminum Briefcase 40 in 1 CRV Steel Torx, Hex and Spline Magnetic Screwdriver Bits Set, Double Round Diamond Grinding Cup Wheel and so on.

Gold Member Since 2007
Audited Supplier

3PCS Titanium HSS Step Drill Bit Set

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $0.1-5/ Piece
Production Capacity: 300000 Piece/Pieces Per Week
Transport Package: Plastic Box, Blister Card, Wooden Box, Metal Box
Payment Terms: L/C, T/T, Western Union
Type: Step Drill Bit
Material: High Speed Steel
Usage: Metal Drilling
Shank: Hex / Round / Triangle
Hardness: 60-66HRC
Surface Treatment: Bright, Amber, Tin-Coated

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Basic Info

Model NO.: DM4-ST012
Flute: Straight or Spiral
Point Angle: 118 Pointed Angle, 90 Stepped Angle
Application: Metal Stainless Steel Drilling
Diameter: 4mm-39mm
Trademark: DM
Specification: 4mm-39mm
Origin: Danyang City, Jiangsu Province, China
HS Code: 8207509000

Product Description

Product Description

HSS Step Drill Bits are perfect for drilling multiple-size holes in thin sections of metal, plastic and wood using a single bit.
Each step drills does the work of many drill-bit sizes. Drills round holes in most metals (steel, brass, aluminum, copper) up to 1/8" (3.2mm) thick as well as in plastic and wood.
No center punching or pilot hole drilling is required on most sizes. 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 area.

1. No Centering required, the drills do not run off center.
2. A variety of hole diameters can be drilled using only one tool, and the tool can display the dimensions.
3. The dimension of drilled hole is exact.
4. Holes are de-burred by the following level, and cylindrical bores are produced.
5. Even very thin-walled materials can be drilled. 

HSS M42,M35,6542(M2),9341,4341,4241
2.FinishTin coated,coffee,bright,rainbow colour,Black oxide,Black flute & bright shank
3.ProcessRoll forged,edge ground,fully ground
4.Standard:DIN 338 (jobber series)
DIN 340 (long series)
DIN 1897 (stub series)
6.AdvantagesFlatted shank prevents slippage in three jaw chuck
Advanced equipment and technology
Quality guaranteed
7.point angle118 degree,135 degree split point

Product Information
Metric Size available: 
Item No.Size RangeStep No.Shank Size
SDA0014 - 12mm x 2mm56mm
SDA0024 - 12 mm x 1mm96mm
SDA0034 - 20mm x 2mm98mm
SDA0044 - 22mm x 2mm108/10mm
SDA0054 - 30mm x 2mm1410mm
SDA0064 - 32mm x 2mm1510mm
SDA0074 - 39mm x 2-3mm1410mm
SDA0085 - 28mm710mm
SDA0095 - 28.3mm1010mm
SDA0105 - 35mm x 2-3mm1313mm
SDA0116 - 18mm x 2mm710mm
SDA0126 - 20mm x 2mm810mm
SDA0136 - 24mm x 2mm1010mm
SDA0146 - 25mm710mm
SDA0156 - 26.75mm810mm
SDA0166 - 30mm x 2mm1310mm
SDA0176 - 30.5mm1010mm
SDA0186 - 32mm810mm
SDA0196 - 32mm910mm
SDA0206 - 37mm1210mm
SDA0216 - 38mm1210mm
SDA0226 - 40mm1613mm
SDA0239 - 36mm x 3mm1012mm
SDA02410 - 20mm x 1mm1110mm
SDA02512 - 20mm x 1mm910mm
SDA02612.5 - 30.5mm712mm
SDA02713 - 38mm1012mm
SDA02814 - 24mm x 2mm613mm
SDA02914 - 25mm713mm
SDA03020 - 30mm x 1mm1113mm
SDA03120 - 34mm x 2mm813mm
SDA03230 - 40mm x 1mm1113mm
SDA03340 - 50mm x 1mm1113mm
SDA03450 - 60mm x 1mm1113mm
SDA0355 - 30.5mm1312mm
SDA0365 - 38mm1412mm

Product Picture


Packaging Details:Plastic Box, Blister Card, Wooden Box, Metal Box for Step Drill Bit
1. TNT/FedEx/DHL/UPS for samples or under 45KG weight goods , Door to Door.
2. By Air or by Sea for batch goods,from airport(seaport) to airport(seaport).
3. Customers specifying freight forwarders or not.
4. Production Time: 3- 7days for samples; 2-3.5 weeks for batch goods

Our company
1) We're a direct manufacturer and 100% export to worldwide(USA, Isrel, Jordan, Iran, Thailand,Duabai, South Africa, Kenya, Egypt, Australia, UK, Spain, Brazil, etc)
2) We have around 15 years producing experience.
3) Our drill product:HSS drill bits, masonry drill, SDS drill,glass&tile drill, step drill, wood flat drill, wood auger bit, wood brad drill, center drill, left hand drill, drill set etc.
4) Above 95% customers will place a formal order after testing the samples.

More information about our products, welcome to visit :http://en.dmcraftools.com/


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