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5PCS HSS Step Drill Bit Set Tools W/ Aluminum Case
US$0.10-5.00
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCustomized
Non-CustomizedStandard
DIN, JIS, AISIModel NO.
DM4-ST021Length
Jobber-lengthType
Step Drill BitMaterial
High Speed SteelUsage
Metal DrillingShank
Hex / Round / TriangleHardness
60-66HRCSurface Treatment
Bright, Amber, Tin-CoatedFlute
Straight or SpiralPoint Angle
118 Pointed Angle, 90 Stepped AngleApplication
Metal Stainless Steel DrillingDiameter
4mm-39mmTransport Package
Plastic Box, Blister Card, Wooden Box, Metal BoxSpecification
4mm-39mmTrademark
DMOrigin
Danyang City, Jiangsu Province, ChinaHS Code
8207509000Production Capacity
300000 Piece/Pieces Per WeekKey features
Multi-Size Drilling: Drills multiple hole sizes in metal, plastic, and wood with a single bit.
No Pilot Hole Needed: No center punching or pilot hole drilling required for most sizes.
Precision Laser Markings: Hole sizes clearly marked via permanent laser etching on the flute.
De-burred Holes: Produces exact cylindrical bores with de-burred edges automatically.
Anti-Slip Shank: Flatted shank design prevents slippage in three-jaw chucks.
High Hardness: Hardness range of 60-66HRC ensures durability and sharpness.
Wide Material Compatibility: Suitable for steel, brass, aluminum, copper, plastic, and wood.
Fast Sample Production: Sample production time is 3-7 days for quick testing.
Company profile
CertifiedBusiness Type: Trading CompanyExport Year: 2015-12-15 CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR
About Our Factory & Business Background
AddressDongfang Road25, Danyang City, Zhenjiang, Jiangsu, China
Plant Area250 square meters
Number of Employees8
Registered Capital100,000 RMB
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month
Our Production Capability & Technical Expertise
Main ProductsTools
R&D Engineers1 people
Our Industry Experience & Global Business Record
Year of Establishment2015-12-08
Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic
Annual Export Revenue3,000,000 USD
Number of Foreign Trading Staff4
Overseas Agent/BranchNo
Product Q&A
Q:What materials can be drilled with these bits?
A:
They are designed for drilling metal (steel, brass, aluminum, copper), plastic, and wood.
Q:Do I need to make a pilot hole before drilling?
A:
No, no center punching or pilot hole drilling is required in most sizes.
Q:How are the hole sizes indicated on the drill?
A:
The diameter markings are permanently laser-etched in the flute area for easy determination.
Q:What is the production time for samples?
A:
It takes 3-7 days to produce samples.
Q:What is the production time for batch goods?
A:
Batch goods require 2-3.5 weeks for production.
Send Inquiry
*To:DANYANG DAMING TOOLS CO., LTD.
DANYANG DAMING TOOLS CO., LTD.*Content:
Supplier replies will be sent to your registered email
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