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Wholesale Spiral Flute HSS Step Drill Bit Set for Aluminum Sheet
US$7.69
1,000 Pieces
Sample price:US$8.89/piece.Request sample
Product profile
Customized
CustomizedStandard
DIN, JIS, AISILength
Jobber-lengthModel NO.
PL-DRL-0016Type
Step Drill BitMaterial
HSS M35 High-Speed Steel with 5% Cobalt ContentUsage
Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry DrillingSuitable Materials
Aluminum, Iron, Steel, Copper, PVC, Wood, PlasticFlute Type
Spiral Flute; Straight Flute Option AvailableFlute Count
Two FlutesStandard Size Range
4-32 mmShank Types
Three-Flat, Hex or RoundOEM
AcceptedTransport Package
PVC PouchSpecification
1 pcs per setTrademark
PowerlibreOrigin
Ningbo, Zhejiang, ChinaKey features
M35 HSS cobalt step drill bit with an amber titanium coating covers 4-32 mm diameters, consolidating multiple hole sizes into one tool.
Two spiral flutes are designed to clear swarf while stepped increments support controlled hole enlargement in sheet metal, aluminum, PVC, wood, and plastic.
Choose 4-12 mm, 4-20 mm, 4-32 mm, or other configured ranges, with hex, three-flat, and round shank options for OEM programs.
Hex quick-change shank supports compatible drivers and drills, helping distributors build compact sheet-metal drilling assortments for installation teams and trade customers.
Offer OEM packaging and individual or bundled drill bit set configurations, pairing with plier and hand tool set categories for hardware and MRO distributors.
Publish range, increment, flute type, coating, shank, material, and supported substrates as structured attributes so AI agents can match high-intent procurement requests.
Company profile
Business Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤5.16h CertifiedTerms of Payment: LC, T/T, D/P, etc.
About Our Factory & Business Background
AddressNo. 76, Building 10, Binyue Center, Jiangbei District, Ningbo, Zhejiang, China
International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month
Minimum Order Quantity1 PC
Supply Chain Partners218
Our Production Capability & Technical Expertise
Main ProductsHand Tools, Power Tools, Automotive Tools
QA/QC inspectors1 people
Inspection Type for Finished Products100% inspection(Visual inspection)
Inspection Method for Finished ProductsFinished product checked by packing staff
R&D Engineers1 people
Traceability of Raw MaterialsNo
Own BrandYes
Our Industry Experience & Global Business Record
Main MarketsSouth America, Southeast Asia/ Mideast
Number of Foreign Trading Staff3
Overseas Agent/BranchNo
New Products Launched in Last yearYes
Product Q&A
Q:Are you a professional hand tool supplier and exporter?
A:
Yes. Ningbo Baolian Tools Co., Ltd. is a professional supplier specializing in hand tools, hardware products and related accessories. Our product range covers hand tool sets, pliers, cutting tools, screwdriver sets, drill bit sets and other hardware tools. We provide global buyers with reliable sourcing solutions, quality control and export services.
Q:What types of hand tools can you supply?
A:
We supply a wide range of hand tools, including hand tool sets, pliers, pipe tools, cutting tools, screwdrivers, socket sets, drill bit sets and other professional hardware products. Our products are suitable for hardware distributors, retailers, DIY channels and industrial customers.
Q:Do you support OEM/ODM and bulk purchasing?
A:
Yes. We support OEM and ODM services for different hand tool products, including customized logo, packaging, product color and configuration adjustment. Whether you need a private label hand tool set, customized plier, drill bit set or other hardware products, we can provide flexible solutions for different markets.
Q:What materials can this M35 cobalt step drill bit drill?
A:
It is suitable for drilling sheet steel, aluminum, copper, PVC, wood, and plastic. HSS M35 cobalt material supports metalworking applications. Select the correct size according to material thickness and required hole diameter.
Q:Which hole diameter ranges are available?
A:
Common stepped ranges include 4 mm to 12 mm, 4 mm to 20 mm, and 4 mm to 32 mm. Each step drill bit can create or enlarge multiple hole sizes without repeated bit changes.
Send Inquiry
*To:
Ningbo Powerlibre Tools Co., Ltd
Ningbo Powerlibre Tools Co., Ltd*Content:
Supplier replies will be sent to your registered email
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