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Product profile
Customization
AvailableCustomized
CustomizedStandard
DIN, JIS, AISIModel NO.
DM4-ST012Length
Jobber-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 Multi-Size Drilling: Drills multiple hole sizes in metal, plastic, and wood with a single bit, eliminating the need for pilot holes.
Precision Laser-Etched Markings: Diameter markings are permanently laser-etched in the flute area for easy and accurate hole size determination.
Anti-Slip Flatted Shank: Flatted shank design prevents slippage in three-jaw chucks, ensuring secure grip and efficient power transmission.
Deburred Cylindrical Bores: Produces exact cylindrical bores with deburred edges, even in very thin-walled materials.
Customizable Specifications: Offers customized shank types (Hex/Round/Triangle), hardness, surface treatment, and point angles to meet specific needs.
ISO9001 Certified Quality: Production adheres to ISO9001 standards, ensuring consistent quality and reliability for industrial and household use.
Direct Manufacturer Export: 15 years of manufacturing experience with direct worldwide export, ensuring competitive pricing and reliable supply.
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 set be used on?
A:
These bits are designed for drilling round holes in most metals (steel, brass, aluminum, copper), plastic, and wood, up to 1/8 inch (3.2mm) thick.
Q:Do I need to use a center punch or pilot hole before drilling?
A:
No, center punching or pilot hole drilling is not required for most sizes. The drills do not run off center, ensuring precise starting points.
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 of the bit.
Q:What customization options are available for shank and surface treatment?
A:
Customization is available for Shank (Hex, Round, Triangle), Surface Treatment (Bright, Amber, Tin-Coated), Hardness, Flute type, and Point Angle.
Q:What are the standard production times for samples and bulk orders?
A:
Production time is 3-7 days for samples and 2-3.5 weeks for batch goods. Peak season lead time is one month.
Send Inquiry
*To:DANYANG DAMING TOOLS CO., LTD.
DANYANG DAMING TOOLS CO., LTD.*Content:
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