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Large Step Drill Bit Unibit for Sheet Metal Wood
US$1.58
1,000 Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableCustomized
Non-CustomizedStandard
DINModel NO.
SDBLength
65-104 mmType
Core Drill BitMaterial
High Speed SteelUsage
Wood Drilling, Metal DrillingShank Shape
Straight Shank, Hex ShankProcessing
Fully GroundFlute Type
Straight, SpiralPackage
Plastic Box ,CardboardTransport Package
CartonSpecification
4-35 mmTrademark
LeyingOrigin
ZhejiangHS Code
8207509000Production Capacity
200000 Pieces/MonthKey features
Multi-Material Versatility: Drills round holes in stainless steel, carbon steel, aluminum, wood, plastic, and more up to 3.2mm thick.
No Pilot Hole Required: Eliminates the need for center punching or pilot hole drilling on most sizes for efficient operation.
Durable HSS Construction: Made from High Speed Steel with hardness of 62-66 HRC for long-lasting performance.
Permanent Size Markings: Hole sizes are clearly identified by diameter markings permanently laser-etched in the flute areas.
Multiple Size Options: Available in various step sizes ranging from 4mm to 38mm across different models.
OEM and Customization: OEM service and customization options including label printing are available.
Flexible Shank Shapes: Offered in Straight Shank and Hex Shank configurations to suit different drilling needs.
Comprehensive Packaging: Products packed in PVC boxes or cardboard with outer cartons for safe shipping.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2018-01-01 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤11.24h
AI-Powered supplier vetting
SummaryThe supplier processes and sells hardware, electric tools, drill bits, woodworking and milling cutters, pneumatic tools, drilling machines, mechanical equipment, and building materials, with import and export activities. It reports six production lines, valid manufacturing contracts with associated subcontractors, in-stock capacity, and 11–20 quality-control staff. Customization and ODM services are available, and the supplier provides OEM services for well-known brands. Service-management procedures, complaint-handling procedures, corrective and preventive action procedures, and finished-product inspection instructions are documented and followed. However, no overseas warehouse or showroom is available, no new product was developed during the past year, continuous quantity reconciliation is not performed for each batch, and certification information, customer cases, and verified financial results are not provided.
Supplier typeThe supplier is a hardware and electric-tool manufacturer and trader covering drill bits, woodworking and milling cutters, pneumatic tools, drilling machines, mechanical equipment, and building materials. Its six production lines, manufacturing contracts with associated subcontractors, and stated in-stock capacity indicate a manufacturer with trading and outsourced-production capabilities.
After-Sales capabilityThe supplier has written and followed procedures for service-capability assessment, corrective and preventive actions, and customer complaint handling. It accepts multiple quotation and payment terms and reports lead times of within 15 workdays to one month, but it has no overseas warehouse or overseas showroom, which limits documented overseas service infrastructure.
Production capacityProduction evidence includes six production lines, 11–20 quality-control staff, in-stock capacity, valid contracts with associated subcontractors, and peak-season fulfillment within 15 workdays in one stated record. The supplier also has a standard operating procedure for outsourcing, although it does not continuously reconcile quantities for every batch or batch production.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, directly supporting a broad customization and design-manufacturing offering.
Product Q&A
Q:Is OEM available?
A:
Yes, OEM and customization are available. Also, we can provide label printing service.
Q:Are samples available?
A:
Yes, you can ask for some samples for testing after confirming our prices, but please pay the freight fee, the fee will be returned to you after you making official order.
Q:What is your payment terms?
A:
T/T, L/C, Paypal for different circumstances.
Q:What's your deliver way?
A:
Express delivery, air shipping, sea shipping are available for your request.
Q:What's your delivery time?
A:
Usual delivery time is 20-30 days after receiving the advance payment. For the customized product, the delivery time is 35-45 days after receiving the advance payment.
Send Inquiry
*To:
Yueqing Hengda Tools Co., Ltd.
Yueqing Hengda Tools Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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