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HSS Step Drills with Spiral Flute
US$2.00-7.50
200 Pieces
Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Customized

Customized

Standard

AISI

Model NO.

30601

Length

Jobber-length

Type

Countersink Drill Bit

Material

High Speed Steel

Usage

Metal Drilling

Surface

Bright Fully Ground, Titanium Coated

Transport Package

Blistar Card, Plastic Tube, Bag

Specification

almost popular size

Trademark

OEM or OSTAR

Origin

Shanghai

HS Code

820750900

Production Capacity

100000PCS Each Month

Key features

Multi-Size Drilling: Drills multiple hole sizes in one bit for metal, plastic, and wood up to 3.2mm thick.
No Pilot Hole Needed: Eliminates need for center punching or pilot hole drilling on most sizes.
Laser-Etched Markings: Diameter markings permanently laser-etched in flute areas for easy size determination.
High Speed Steel: Made from durable High Speed Steel (HSS) for efficient metal drilling.
Customizable Surface: Available with Bright Fully Ground or Titanium Coated surface finishes.
Versatile Applications: Perfect for drilling round holes in steel, brass, aluminum, copper, plastic, and wood.
Wide Size Range: Available in various step configurations ranging from 2 to 16 steps.
Easy to Maintain: Bits are designed to be easy to keep sharp for long-term use.

Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2003-02-14Nearest Port: SHANGHAIAverage Response Time: ≤18hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as Shanghai Ostar Tools Int'l Co., Ltd., a China-based limited trading company also described as a manufacturer/factory, focused on tools and hardware. Evidence indicates export activity since 2003, self-operated import/export rights, and 90% of sales from exports. Its stated product range includes hole saws, saw blades, drill bits, diamond tools, and other cutting accessories. Management certifications listed are BSCI and ISO 9001. Production evidence includes five production lines and reported output of 5,000,000 bi-metal hole saw pieces, while R&D engineers and quality-control staff are each listed as fewer than five. The company states that it maintains dedicated departments for sales, technical supply, manufacturing monitoring, artwork design, shipping, quality control, and after-sales service. Specific evidence for financial strength, customization capability, and named customer cases is insufficient.
Supplier typeThe supplier is classified as a trading company and is also described as a manufacturer/factory. Its business is centered on tools and hardware, with products including hole saws, saw blades, drill bits, and related cutting tools.
CertificationsThe supplier lists BSCI and ISO 9001 management-system certifications. These certifications provide explicit evidence of formal social-compliance and quality-management systems, although no certificate scope or validity details are provided.
After-Sales capabilityThe company explicitly states that after-sales service is a dedicated work division, alongside sales, technical supply, manufacturing monitoring, shipping, and quality control. This supports the existence of an organized after-sales function, though service response performance is not documented.
Production capacityThe supplier presents itself as a manufacturer and exporter of cutting tools, operates five production lines, and reports annual production of 5,000,000 bi-metal hole saw pieces. These stated production resources and output provide explicit evidence of manufacturing capability, although broader capacity across all products is not specified.

Product Q&A

Q:What materials can these step drills be used on?
A:
They are suitable for drilling holes in most metals (steel, brass, aluminum, copper), plastic, and wood.
Q:Do I need to drill a pilot hole before using these bits?
A:
No, no center punching or pilot hole drilling is required on most sizes.
Q:How is the hole size determined?
A:
The hole size is easily determined by the diameter markings that are permanently laser-etched in the flute areas.
Q:What is the maximum thickness these drills can handle?
A:
They can drill holes in materials up to 1/8 inch (3.2mm) thick.
Q:Are the surface finishes customizable?
A:
Yes, the surface can be customized to Bright Fully Ground or Titanium Coated.

Send Inquiry

*To:Shanghai Ostar Tools Int'l Co., Ltd.Shanghai Ostar Tools Int'l Co., Ltd.
*Content:
0/4000

Supplier replies will be sent to your registered email

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