What materials can this hole saw cut?

Compatible with a wide range of materials include steel, cast iron, nail, aluminum, copper, plastics, and wood.

What is the cutting depth?

Cutting Depth to 1-1/2'(38mm) and 1-7/8'(47mm).

Premium M3 M42 Cobalt Bi-Metal Hole Cutter Kit for Versatile Cutting

Name: Premium M3 M42 Cobalt Bi-Metal Hole Cutter Kit for Versatile Cutting
Brand: Shanghai Ostar Tools Int'l Co., Ltd.
SKU: 2107695965

Shanghai, ChinaShanghai Ostar Tools Int'l Co., Ltd.

US$8.50-34.50

100 Sets

Sample price:US$50.00/set.Request sample

Product profile

Customization

Available

Customized

Certification

Standard

Model NO.

10105031

Usage

Metal Drilling, Wood, Plywood, Plastics etc.

Material

Bi-Mtal M3 or M42 8%Cobalt

Product Name

Hole Saw Set

Cutting Depth

38mm(1-1/2")and 47mm(1-8/7")

Teeth

4/6 Variable Teeth

Transport Package

PVC Box, Blow Case, Aluminum Box, Carton

Specification

Diameter from 9/16"-10" (14-250mm)

Trademark

OSTAR or OEM

Origin

China

Production Capacity

10000set /Month

Key features

Customizable Packaging: Choose from aluminum box, blow case, transparent PVC box, or paper box.

Wide Material Compatibility: Cuts steel, cast iron, aluminum, copper, plastics, wood, and nail-embedded wood.

OEM Service Available: We provide OEM services and accept customization for hole saw kits.

Versatile Tool Attachment: Attaches to power drills via arbor and chuck (3/8 and 1/2 inch commonly).

Multiple Application Scenarios: Ideal for door hardware, light fixtures, drainage pipes, vents, and plumbing.

Company profile

Shanghai Ostar Tools Int'l Co., Ltd.

Shanghai, China

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:Do you have your own brand?

Yes, the brand name is OSTARTOOLS, we can provide OEM services to our customers as well.

Q:What is your MOQ?

500 pcs/size

Q:What about the payment and delivery time?

Delivery time: Within 30-60days after receiving your advance payment. Payment: 30% by T/T in advance, 70% against the copy of B/L.(or other)

Q:Can I get some samples?

Yes, we are honored to offer you samples for quality check.

Q:How does your factory do regarding quality control?

Quality is priority. PROFI People always attach great importance to quality control from the very beginning to the end of the production. Every product will be carefully tested before it's packed for shipment.