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Step Drill HSS-E55 (Cobalt 5%) -Tialn Coated-3-Flat Shank
US$0.10-5.00
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
DINModel NO.
DM4-ST001Length
Taper-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
Wide Diameter Range: Available sizes from 4mm to 60mm for versatile drilling needs.
Multiple Coating Choices: Options include Tin-coated, Black oxide, Rainbow, and Bright finishes.
Custom Shank Shapes: Shank available in Hex, Round, or Triangle shapes upon request.
High Hardness Rating: Hardness reaches 60-66HRC for superior durability and cutting.
Versatile Material Drilling: Perfect for metal, stainless steel, plastic, and wood applications.
No Pilot Hole Required: Drills round holes in materials up to 3.2mm thick without center punching.
ISO9001 Certified: Manufacturing process meets international quality management standards.
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 (steel, brass, aluminum, copper), stainless steel, plastic, and wood.
Q:What is the hardness of the drill bit?
A:
The hardness ranges from 60 to 66HRC.
Q:Can the shank shape be customized?
A:
Yes, the shank can be customized to Hex, Round, or Triangle shapes.
Q:What is the production time for samples and batches?
A:
Samples take 3-7 days, while batch goods require 2-3.5 weeks.
Q:Is a pilot hole required before drilling?
A:
No center punching or pilot hole drilling is required for most sizes.
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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