What is the delivery time for custom orders?

The delivery time is typically 3-5 business days.

What payment terms are accepted?

We accept LC, T/T, PayPal, Western Union, and Money Gram.

What certifications do the products have?

The products come with ISO9001 certification.

PDC Cutter Inserts 1308 with Pin Step for Stone Processing

Name: PDC Cutter Inserts 1308 with Pin Step for Stone Processing
Brand: SINO ZHENG INDUSTRIAL INC.
SKU: 2008254592

Henan, ChinaSINO ZHENG INDUSTRIAL INC.

US$0.03-0.09

1,000 Pieces

Sample price:US$1.00/carat.Request sample

Product profile

Customization

Available

Type

Diamond

Classification of Diamond

Artificial

Model NO.

PDC4

Characteristic

High Hardness

Purity

99.9%

Color

Black

Shape

Round

Certificate

ISO9001

Delivery Time

3-5 Business Days

Transport Package

Plastic, Bottle, Carton

Specification

13mm, 16mm, 19mm

Trademark

Harmony

Origin

Zhengzhou China

HS Code

8209009000

Key features

Super High Hardness: Polycrystalline diamond layer offers extreme hardness and abrasion resistance.

Customizable Shapes: Available in flat, convex, helmet, ridge, and half-cut types per demand.

Versatile Applications: Ideal for stone quarrying, oil/coal drilling, and geological exploration.

High Efficiency: Fast drilling speed, long working life, and smooth surface finish.

Impact Resistance: Tungsten carbide substrate improves malleability and impact strength.

Multiple Sizes: Diameters range from 8mm to 19mm for various drilling needs.

Cost Effective: Designed for markets pursuing cost efficiency with high effectiveness.

Quality Assurance: Consistent quality comparable to E6 and USS standards for large cutters.

Company profile

Importers and ExportersFast DeliveryR&D Capabilities

SINO ZHENG INDUSTRIAL INC.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-05-25Nearest Port: ZHENGZHOU, QINGDAO, SHANGHAIAverage Response Time: ≤8.11hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, CPT, EXW

AI-Powered supplier vetting

SummarySINO ZHENG INDUSTRIAL INC. is identified as both a trading company and manufacturer/factory in China, offering magnesium wheels, welding wire, heatsinks, anodes, plates, and related products. It reports ISO 9001 and ISO 14001 certifications, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. Export activity is established, with 71%–90% of sales from exports, self-operated import/export rights, exports beginning in 2015, and markets across the Americas, Europe, and Southeast Asia. Product descriptions and company information indicate technical expertise in magnesium materials and welding processes. However, overseas service infrastructure, 3D design, OEM/ODM, after-sales capability, and customization are not sufficiently documented. The audit record identifies BV, but the stated evaluation result is 0, which should be treated cautiously.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, indicating combined commercial and manufacturing functions. Its listed product portfolio is centered on magnesium products.

CertificationsThe supplier lists ISO 9001 and ISO 14001 management-system certifications. A BV audit is also recorded with validity from September 10, 2025 to September 9, 2026, but the audit evaluation result is stated as 0, so the audit outcome itself does not provide positive assurance.

R&D capabilityThe company describes technological, product, and process innovation, including a one-time extrusion process for 1.2 mm magnesium welding wire and efforts to expand magnesium applications. It also reports 6–10 R&D engineers, but 3D design, new-product development status, ODM, and OEM capabilities are marked unknown.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, and stated output for magnesium welding wire and forged magnesium wheels. It also reports off-peak lead times within 15 working days and peak-season fulfillment of 2–3 months, supporting an established production operation, although the production figures should be interpreted as self-reported.

Client casesTwo records identify the same buyer, CÔNG TY CỔ PHẦN HUY MINH, associated with specified cathodic-protection alloy products imported into Vietnam. These records provide evidence of an associated buyer and product transactions, but they do not establish the scale, duration, performance, or breadth of customer references.

Product Q&A

Q:What are the available shapes for PDC cutters?

We offer flat face, convex face, helmet face, ridge face, and half-cut types based on customer requirements.

Q:What industries use these PDC cutter inserts?

They are widely used in oil drilling, mining, stone cutting, geological exploration, and the mechanical industry.

Q:What is the purity of the diamond used?

The diamond purity is 99.9%.

Q:What are the main features of PDC cutters?

Key features include super high hardness, strong impact resistance, abrasion resistance, high working efficiency, and long working life.

Q:How do small and large cutters differ in performance?

Small cutters (8-13mm) are sharper and drill faster but may have lower torque capacity. Large cutters (16-19mm) are more aggressive and produce larger cuttings.