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Premium Tin Coated HSS Step Drill Bit Set for Versatile Drilling
US$0.10-5.00
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
DINModel NO.
DM4-ST015Length
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
Multi-Size Drilling: Drills multiple hole sizes from 4mm to 39mm with a single bit.
No Pilot Hole Needed: Eliminates need for center punching or pilot holes in most sizes.
Precision Markings: Diameter markings permanently laser-etched in the flute area.
Deburred Holes: Produces exact cylindrical bores with deburred edges automatically.
Anti-Slip Shank: Flatted shank design prevents slippage in three-jaw chucks.
Thin Wall Capability: Effectively drills even very thin-walled metal and plastic materials.
Customizable Options: Customizable shank, hardness, surface treatment, and point angle.
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 like steel, brass, aluminum, and copper, as well as plastic and wood.
Q:What is the diameter range of the step drill bits?
A:
The available diameter range is from 4mm to 39mm, with various step configurations available.
Q:Do I need to use a center punch before drilling?
A:
No, center punching or pilot hole drilling is not required in most sizes as the drills do not run off center.
Q:What are the customization options available?
A:
Customization is available for Shank (Hex/Round/Triangle), Hardness (60-66HRC), Surface Treatment, Flute type, Point Angle, and Diameter.
Q:What is the production time for samples and batch orders?
A:
Production time is 3-7 days for samples and 2-3.5 weeks for batch goods.
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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