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60-66HRC Tower Connotation Structure Resistant to Acid HSS Step Drill
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
Multi-Size Drilling Efficiency: Drills multiple hole sizes in metal, plastic, and wood with a single bit, eliminating the need for pilot holes.
High Precision & Clean Holes: Produces exact cylindrical bores with de-burred edges; no centering required to prevent off-center running.
Customizable Shank & Geometry: Custom options for Shank (Hex/Round/Triangle), Point Angle (118/90 degrees), and Flute type (Straight/Spiral).
Wide Diameter Range: Covers diameter sizes from 4mm to 50mm, suitable for thin sections up to 3.2mm thick materials.
Professional Surface Treatments: Offers various finishes including Tin coated, Black oxide, Bright, and Rainbow color for corrosion resistance.
ISO9001 Certified Quality: Manufactured under ISO9001 standards with advanced equipment ensuring consistent quality and slippage prevention.
Fast Sample Production: Samples can be produced in 3-7 days, allowing quick testing with over 95% of customers placing formal orders.
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 this step drill bit handle?
A:
It is designed for drilling round holes in most metals (steel, brass, aluminum, copper), plastic, and wood.
Q:Is a pilot hole required before drilling?
A:
No center punching or pilot hole drilling is required on most sizes; the drill does not run off center.
Q:Can the shank and point angle be customized?
A:
Yes, we provide custom shanks (Hex, Round, Triangle) and point angles (118 degree or 90 degree stepped angle).
Q:What is the production time for samples and bulk orders?
A:
Samples take 3-7 days, while batch goods require 2-3.5 weeks for production.
Q:What surface treatments are available?
A:
Options include Tin coated, coffee, bright, rainbow color, Black oxide, and Black flute with bright shank.
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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