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Premium Fasteners &
Ground Engaging Tools

High-strength bucket tooth pins, plow bolts, track bolts, segment bolts, and customized fasteners for excavators, loaders, and construction machinery. Trusted by global brands and exported to over 50 countries.

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About Ningbo Digtech (YH) Machinery

Located in the renowned harbor city of Ningbo, China, Ningbo Digtech (YH) Machinery Co., Ltd. has been a trusted manufacturer and exporter of high-quality ground engaging tools and steel track parts for over 20 years.

We specialize in producing high-strength fasteners including hex bolts, plow bolts, track bolts, segment bolts, grader blade bolts, cutting edge bolts, customized bolts, bucket tooth pins and retainers, sleeves, bucket teeth, and other forged, cast, and machined components.

20+
Years Experience
50+
Countries Served
200+
Product Types
Factory and machinery

Our Core Strengths

Built on integrity, innovation, and industrial excellence

Creditable Integrity

We maintain strict production management systems and decades of experience in engineering machinery manufacturing.

Effective Team Work

Our team operates with advanced production, heat treatment, and precision testing equipment for consistent quality.

Quality Assurance

Our products support main machines from leading international brands and are exported to dozens of countries worldwide.

Featured Products

Precision-engineered fasteners and ground engaging tools designed for durability, performance, and compatibility with major machinery brands.

WP25 bucket tooth pin

WP25 Bucket Tooth Pin

High-strength retention pin for excavator bucket teeth. Durable alloy steel construction with precise fit.

Komatsu Bucket Tooth Pin 707-88-60310

Komatsu Bucket Tooth Pin 707-88-60310

OEM-compatible pin for Komatsu excavators. Precision-machined for secure fit and long service life.

Excavator Bucket Tooth Pin Lock Washer

Excavator Bucket Tooth Pin Lock Washer

Anti-loosening washer for Cat 2209120 and similar models. Prevents vibration-induced failure.

220-9130 K130 RETAINER

220-9130 K130 RETAINER

Heavy-duty retainer clip for bucket tooth assemblies. Heat-treated for maximum resilience.

6V8360 Plow Bolt

6V8360 Plow Bolt 198-71-21720

High-tensile plow bolt for earthmoving equipment. Corrosion-resistant surface treatment.

Segment Bolt

Segment Bolt for Excavators

Robust fastener for track shoe segments. Designed for high-impact and abrasive environments.

ESCO 37 SERIES LOCK PIN

ESCO 37 SERIES LOCK PIN

37VPN PIN and 37VPL PLUG compatible with ESCO systems. Secure locking mechanism.

CAT K130 PENETRATION TIP

CAT K130 PENETRATION TIP 4707975

Replacement tip for Caterpillar buckets. Hardened alloy for extended wear life.

J700 Penetration Plus Tip

J700 Penetration Plus Tip 171-1709

High-performance tip for improved digging efficiency and wear resistance in tough conditions.

Hex Bolt 8H-5772

8H-5772 Hex Bolt

Heavy-duty hex bolt for excavator applications. High tensile strength and precision threading.

Plow Bolt 5J4771

5J4771 Plow Bolt 234-70-32250

OEM replacement plow bolt with exact dimensional accuracy and superior durability.

Track Bolt

Excavator Track Bolts

Compatible with Hitachi, Komatsu, Kobelco, and other major brands. Anti-loosening design.

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Why Choose China Bolt Pin?

Industrial Expertise

Over 20 years of specialized experience in manufacturing fasteners and ground engaging tools.

Quality Certified

Strict production management and testing ensure every product meets international standards.

Global Reach

Products exported to over 50 countries and compatible with major global machinery brands.

Custom Solutions

We offer customized fasteners and components tailored to your specific equipment needs.

20+
Years in Business
200+
Product Variants
50+
Countries Served
10K+
Tons Shipped Annually

Frequently Asked Questions

What types of fasteners do you manufacture?

We produce a wide range of high-strength fasteners including hex bolts and nuts, plow bolts, track bolts, segment bolts, grader blade bolts, cutting edge bolts, and customized fasteners for construction and mining equipment.

Are your bucket tooth pins compatible with major brands?

Yes, our bucket tooth pins, retainers, and adapters are engineered to be compatible with leading brands including Caterpillar, Komatsu, Hitachi, Volvo, Kobelco, and many others.

Do you offer custom manufacturing?

Yes, we specialize in customized fasteners and ground engaging tools. Provide your specifications, drawings, or samples, and we'll manufacture to your exact requirements.

What materials do you use for your products?

We use high-quality alloy steels, carbon steels, and other specialized materials depending on the application. All materials are heat-treated to ensure optimal hardness, toughness, and wear resistance.

How do you ensure product quality?

We have a strict quality control system with advanced testing equipment to verify dimensions, hardness, tensile strength, and performance characteristics of every batch.

Get in Touch

Contact us for product inquiries, custom orders, or technical support. Our team is ready to assist you with your fastener and ground engaging tool needs.

Email

[email protected]

[email protected]

Phone

+86 130 9598 9539

+86-0574-88065608

Location

Hengxi Town Yinzhou District

Ningbo City, Zhejiang Province

China 315131

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