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Strongest Straight Thread HSS 4241 Triangle Shank 5 Pieces in One Set Step Drill Bit for Wood Metal
US$12.00
10-199 Sets
US$10.80
200-499 Sets
US$9.80
500+ Sets
Sample price:US$11.00/set.Request sample

Product profile

Customized

Customized

Standard

SGS

Length

62mm

Type

Step Drill Bit

Material

Diamond

Usage

Ceramic, Tile, Porcelain

Sample

Available

MOQ

10

Connector Type

Hex

Transport Package

Plastic Box or Carton

Specification

3/16-1/2, 1/4-3/8

Trademark

Johnsontool

Origin

China

HS Code

82075010

Production Capacity

300000PCS Per Month

Key features

5-in-1 Versatile Set: Includes 5 step drill bits covering 50 sizes, replacing 50 twist bits for efficient drilling.
Titanium HSS Material: High-speed steel with titanium coating ensures durability and performance on metal sheets.
Anti-Slip Shank Design: 3-sided X-type shank prevents slipping in the chuck for smoother, faster cutting.
Automatic Center Punch: Spring-loaded punch with knurled surface ensures precise, non-slip hole starting.
24-Month Warranty: Comprehensive 24 months warranty coverage for peace of mind and quality assurance.
OEM/ODM Customization: Full customization options available including samples, designs, and minor adjustments.
Premium Packaging: Comes with an aluminum case for organized storage and makes an ideal DIY gift.
Multi-Material Usage: Effective for drilling ceramic, tile, porcelain, wood, and various metal types.

Company profile

Johnson Tools Manufactory Co., Ltd.
Years of Export ExperiencePatents AwardedFast DeliveryOEM Services
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Shanghai Port, Ningbo, QingdaoAverage Response Time: ≤3.84h

AI-Powered supplier vetting

SummaryThe supplier provides OEM and ODM services and supports extensive customization, including sample-, design-, full-, minor-, and flexible customization. It has 17 years of export experience, self-managed import/export rights, 90% export sales, and accepts multiple trade and payment terms. Production is conducted on one line, supported by 11–20 quality-control staff and stated advanced equipment and checking systems. However, no management-system certifications, SDK, new products in the past year, overseas service facilities, or offline trade-show participation are reported. Service procedures and complaint handling lack written records, and production batches are not continuously reconciled. Financial and cash-flow evidence is limited to year labels, so financial credibility cannot be conclusively assessed.
Supplier typeThe supplier is an OEM/ODM manufacturer with its own factory location, one production line, stated production output, advanced equipment, and a technical workforce. It also provides export services directly through self-managed import/export rights, indicating a manufacturing-oriented supplier rather than a pure trading intermediary.
CertificationsThe supplier’s certification of management systems is explicitly listed as NIL. This is a stated absence of certification evidence and represents a deficiency for this field.
After-Sales capabilityThe supplier has a complaint-handling procedure, but no written records, and it lacks written service-assessment and corrective/preventive-action procedures or records. It also reports no overseas warehouses, showrooms, agents, branches, or offline trade-show participation, limiting documented overseas service support.
R&D capabilityThe supplier provides ODM and broad design customization, but reports no available SDK and no new products during the past year. These explicit limitations outweigh the design-service evidence when assessing demonstrated recent innovation capability.
Production capacityThe supplier reports one production line, 11–20 quality-control staff, advanced production and checking equipment, and flexible export fulfillment with one-month lead times in both peak and off-season. However, it does not continuously reconcile quantities for each batch or mass production, so production controls are not fully documented.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also offers ODM services. This is strong direct evidence of broad customization capability.

Product Q&A

Q:What is included in the 5-piece step drill bit set?
A:
The set includes 5 HSS 4241 step drill bits, an automatic center punch, and an aluminum storage case.
Q:What materials can these drill bits be used on?
A:
They are suitable for drilling wood, sheet metal, steel, plastic, aluminum, copper, ceramic, tile, and porcelain.
Q:What are the drilling size ranges for the 5 bits?
A:
The bits cover a wide range from 1/8 inch to 1-3/8 inches, providing 50 different drilling sizes in total.
Q:Is the product customizable?
A:
Yes, we offer OEM/ODM services including customization from samples, designs, and flexible minor adjustments.
Q:What is the warranty period for this product?
A:
We provide a 24-month warranty for the step drill bit set to ensure quality and customer satisfaction.

Send Inquiry

*To:Johnson Tools Manufactory Co., Ltd.Johnson Tools Manufactory Co., Ltd.
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