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4mm-39mm HSS Spiral Flute Hex Shank Tin Coating Step Drill
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 in sizes from 4mm to 39mm for versatile drilling needs.
Multiple Shank Options: Customized shank types include Hex, Round, and Triangle shapes.
Customized Surface Finish: Options include Tin-Coated, Bright, Amber, Rainbow, and Black Oxide.
High Hardness Material: Hardness reaches 60-66HRC using High Speed Steel (HSS) grades.
No Center Punch Required: Designed to prevent running off-center without pilot holes.
Laser-Etched Markings: Diameter markings are permanently laser-etched for easy size identification.
De-burred Hole Quality: Produces cylindrical bores with de-burred edges for clean finishes.
Fast Sample Production: Samples are ready for production within 3 to 7 days.
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: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?
A:
Production time for samples is 3 to 7 days.
Q:Are the drill bits suitable for plastic and wood?
A:
Yes, they are perfect for drilling multiple-size holes in thin sections of metal, plastic, and wood.
Q:What is the hardness of the drill bits?
A:
The hardness ranges from 60 to 66HRC.
Q:How are the hole sizes indicated on the bits?
A:
Hole sizes are easily determined by diameter markings that are permanently laser-etched in the flute area.
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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