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Corrosion Resistance Anti-Overheating HSS Step Twist Drill Set
US$0.10-5.00
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
DINModel NO.
hss step drillType
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
Customizable Shank Design: Available in Hex, Round, or Triangle shank shapes to meet specific tool holder requirements.
Wide Hardness Range: Hardness adjustable between 60-66HRC for optimal durability and cutting performance.
Multiple Surface Treatments: Options include Bright, Amber, Tin-Coated, Black Oxide, and Rainbow colors for corrosion resistance.
Versatile Flute Options: Choose between Straight or Spiral flute designs for different material drilling needs.
Customizable Point Angles: Available in 118-degree pointed angle or 90-degree stepped angle for precision drilling.
Extensive Diameter Range: Diameter options span from 4mm to 39mm to accommodate various hole sizes.
High-Speed Steel Material: Constructed from HSS M42, M35, or M2 for superior heat resistance and cutting speed.
ISO 9001 Certified Quality: Manufacturing process meets international quality standards for consistent product reliability.
Company profile
CertifiedBusiness Type: Trading CompanyExport Year: 2015-12-15 CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤15h 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 this step drill bit be used on?
A:
It is designed for drilling metal, stainless steel, plastic, and wood, including steel, brass, aluminum, and copper.
Q:Do I need to use a pilot hole before drilling?
A:
No center punching or pilot hole drilling is required on most sizes as the drill does not run off center.
Q:What is the maximum thickness this drill can handle?
A:
It can drill round holes in most metals up to 1/8 inch (3.2mm) thick as well as in plastic and wood.
Q:How are the hole dimensions determined?
A:
The hole size is easily determined by the diameter markings that are permanently laser-etched in the flute area.
Q:What are the available shipping methods?
A:
Samples or goods under 45KG can be shipped via TNT, FedEx, DHL, or UPS. Batch goods are shipped by air or sea.
Send Inquiry
*To:DANYANG DAMING TOOLS CO., LTD.
DANYANG DAMING TOOLS CO., LTD.*Content:
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