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HSS Fully Ground White Finish Step Drill Bits
US$0.10-5.00
1 Piece
Product profile
Customization
AvailableCustomized
CustomizedStandard
DINLength
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
Versatile Drilling Capability: Drills multiple hole sizes in metal, plastic, and wood with a single bit.
No Pilot Hole Required: Eliminates the need for center punching or pilot holes on most sizes.
Precision Laser Etching: Diameter markings are permanently laser-etched in the flute for easy identification.
Deburred Hole Finish: Produces exact cylindrical bores with deburred edges automatically.
Anti-Slip Shank Design: Flatted shank prevents slippage in three-jaw chucks for secure operation.
ISO9001 Certified: Manufactured under strict quality standards with ISO9001 certification.
Customizable Options: Custom shank, hardness, surface treatment, and point angle available.
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 be used on?
A:
It is suitable for drilling round holes in most metals (steel, brass, aluminum, copper) up to 1/8 inch thick, as well as plastic and wood.
Q:Do I need to use a pilot hole or center punch?
A:
No, center punching or pilot hole drilling is not required on most sizes, and the drills do not run off center.
Q:How is the hole size determined during use?
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 shank options?
A:
Custom shank options include Hex, Round, and Triangle shapes to suit different chuck requirements.
Q:What surface treatments are available?
A:
Options include Bright, Amber, Tin-Coated, Coffee, Rainbow colour, 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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