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HSS Fully Ground Straight Flute Step Drill Bit
US$0.10-5.00
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
DINModel NO.
DM4-ST006Length
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 Multi-Material Drilling: Drills round holes in steel, brass, aluminum, copper, plastic, and wood up to 3.2mm thick.
No Pilot Hole Required: Eliminates the need for center punching or pilot holes on most sizes for efficient operation.
Precise Dimensional Accuracy: Hole size is easily determined by diameter markings permanently laser-etched in the flute area.
Deburred Smooth Holes: Produces cylindrical bores with deburred edges, even in very thin-walled materials.
Anti-Slip Flatted Shank: Prevents slippage in three-jaw chucks, ensuring secure grip and safety during drilling.
Customizable Shank Options: Available in Hex, Round, or Triangle shanks to fit various drill press and hand tool requirements.
Wide Diameter Range: Covers sizes from 4mm to 50mm, allowing multiple hole sizes with a single bit.
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 including steel, brass, aluminum, and copper, as well as plastic and wood.
Q:Is a pilot hole required before using this drill bit?
A:
No, center punching or pilot hole drilling is not required on most sizes, making the process faster and easier.
Q:What is the maximum thickness this bit can drill?
A:
The bit can drill holes in materials up to 1/8 inch (3.2mm) thick.
Q:How is the hole size indicated on the bit?
A:
The hole size is clearly marked by diameter numbers that are permanently laser-etched in the flute area.
Q:What shank types are available for customization?
A:
Custom shank options include Hex, Round, and Triangle shapes to suit different tool requirements.
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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