
Growshine International - Unleash the Power of High-Strength Bolts for Your Heavy Machinery - July 3, 2025

Welcome to Growshine International, your premier partner in the import and export of top-tier engineering machinery parts, heavy truck parts, agricultural machinery parts, and automotive parts. We are dedicated to providing high-quality, durable components that meet the stringent demands of various industries. Our extensive catalog includes a wide range of fasteners, ensuring reliability and performance for your equipment. Whether you're looking for robust construction equipment fasteners, reliable truck engine bolts, essential tractor assembly parts, or critical car chassis bolts, Growshine International has you covered. We specialize in providing industrial fasteners, durable bolts, reliable washers, secure nuts, and other heavy-duty fasteners and machinery components. As leading bolt suppliers, washer manufacturers, and nut distributors, we pride ourselves on offering wholesale fasteners and specialized fasteners tailored to your needs. Trust Growshine for all your Growshine fasteners and parts requirements.
Product Overview: High-Performance Bolts from Growshine International
Growshine International offers a comprehensive selection of high-strength hex head bolts, designed for superior fastening in demanding applications. Our bolts primarily adhere to SAE J429 Grade 8 (150 ksi ultimate tensile strength) and Cat/ASTM F2882 (170 ksi ultimate tensile strength) standards, ensuring exceptional durability and resistance. All bolts feature a zinc phosphate and oil coating for enhanced corrosion protection.
1. Hex Head Bolts - UNC Thread
| Part Number | Description | Bolt Length (mm) | Thread Size (dia x pitch) (mm) | Class or Grade | Material | Coating |
|---|---|---|---|---|---|---|
| 0S1615 / 0S-1615 | BOLT 1/4 X 3/4 UNC | 19.05 | 1/4x20 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 0S1616 / 0S-1616 | BOLT 1/4 X 1 UNC | 25.4 | 1/4x20 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 7B2742 / 7B-2742 | BOLT 1/4 X 1 1/4 UNC | 31.75 | 1/4x20 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 1B2713 / 1B-2713 | BOLT 1/4 X 1 3/4 UNC | 44.45 | 1/4x20 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 0S1617 / 0S-1617 | BOLT 5/16 X 3/4 UNC | 19.05 | 5/16x18 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 2B2694 / 2B-2694 | BOLT 5/16 X 2 UNC | 50.8 | 5/16x18 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 4F4879 / 4F-4879 | BOLT 3/8 X 1/2 UNC | 12.7 | 3/8x16 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 0S0509 / 0S-0509 | BOLT 3/8 X 3/4 UNC | 19.05 | 3/8x16 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 0S1594 / 0S-1594 | BOLT 3/8 X 1 UNC | 25.4 | 3/8x16 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 0S1588 / 0S-1588 | BOLT 3/8 X 1 1/4 UNC | 31.75 | 3/8x16 | SAE J429 Grade 8 (150 ksi) | Carbon Steel, Alloy Zinc | Zinc Phosphate + Oil |
| 0S1591 / 0S-1591 | BOLT 3/8 X 1 1/2 UNC | 38.1 | 3/8x16 | SAE J429 Grade 8 (150 ksi) | Alloy Zinc, Carbon Steel | Zinc Phosphate + Oil |
| 0S1571 / 0S-1571 | BOLT 3/8 X 1 3/4 UNC | 44.45 | 3/8x16 | SAE J429 Grade 8 (150 ksi) | Carbon Steel, Alloy Zinc | Zinc Phosphate + Oil |
| 0S1590 / 0S-1590 | BOLT 3/8 X 2 UNC | 50.8 | 3/8x16 | SAE J429 Grade 8 (150 ksi) | Alloy Zinc, Carbon Steel | Zinc Phosphate + Oil |
| 0L1143 / 0L-1143 | BOLT 3/8 X 2 1/2 UNC | 63.5 | 3/8x16 | SAE J429 Grade 8 (150 ksi) | Alloy Zinc, Carbon Steel | Zinc Phosphate + Oil |
| 0S1619 / 0S-1619 | BOLT 3/8 X 3 UNC | 76.2 | 3/8x16 | SAE J429 Grade 8 (150 ksi) | Alloy Zinc, Carbon Steel | Zinc Phosphate + Oil |
| 0S1621 / 0S-1621 | BOLT 1/2 X 1 UNC | 25.4 | 1/2x13 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 0S1587 / 0S-1587 | BOLT 1/2 X 1 3/4 UNC | 44.45 | 1/2x13 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 1A1460 / 1A-1460 | BOLT 1/2 X 2 UNC | 50.8 | 1/2x13 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 9S1366 / 9S-1366 | BOLT 1/2 X 2 1/2 UNC | 63.5 | 1/2x13 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 1D4566 / 1D-4566 | BOLT 1/2 X 3 1/2 UNC | 88.9 | 1/2x13 | Cat/ASTM F2882 (170 ksi) | Steel | Zinc Phosphate + Oil |
| 0S1573 / 0S-1573 | BOLT 1/2 X 4 UNC | 101.6 | 1/2x13 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 1D4574 / 1D-4574 | BOLT 1/2 X 6 UNC | 152.4 | 1/2x13 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 1A1135 / 1A-1135 | BOLT 5/8 X 2 UNC | 50.8 | 5/8x11 | Cat/ASTM F2882 (170 ksi) | Steel | Zinc Phosphate + Oil |
| 1D4595 / 1D-4595 | BOLT 5/8 X 6 UNC | 152 | 5/8x11 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 0L1178 / 0L-1178 | BOLT 3/4 X 2 UNC | 50.8 | 3/4x10 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 1A8063 / 1A-8063 | BOLT 3/4 X 2 1/2 UNC FULL THREAD | 63.5 | 3/4x10 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 1D4616 / 1D-4616 | BOLT 3/4 X 6 UNC | 152.4 | 3/4x10 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
| 9S1322 / 9S-1322 | BOLT 7/8 X 6 UNC | 152.4 | 7/8x9 | SAE J429 Grade 8 (150 ksi) | Alloy Zinc, Carbon Steel | Zinc Phosphate + Oil |
| 9F6936 / 9F-6936 | BOLT 1 X 6 UNC | 152.4 | 1.000x8 | SAE J429 Grade 8 (150 ksi) | Steel | Zinc Phosphate + Oil |
Essential Fastening Companions: Flat Washers and Nuts
Complementing our robust bolts, Growshine International also provides hardened steel flat washers and hex nuts, crucial for secure and reliable assemblies. Our washers offer excellent load distribution and protection, while our nuts guarantee a steadfast connection, all with the same commitment to quality.
2. Flat Washers - Hardened Steel
| Part Number | Description | Inner Diameter (mm) | Outer Diameter (mm) | Thickness (mm) | Material | Coating |
|---|---|---|---|---|---|---|
| 5P0537 / 5P-0537 | FLATWASHER STEEL 1/4(M6) | 7.2 | 14.5 | 2 | Hardened Steel | Zinc Phosphate + Oil |
| 9M1974 / 9M-1974 | FLATWASHER 1/16(M8) | 8.8 | 16 | 2 | Hardened Steel | Zinc Phosphate + Oil |
| 5M2894 / 5M-2894 | FLATWASHER 3/8 | 10.2 | 18.5 | 2.5 | Hardened Steel | Zinc Phosphate + Oil |
| 5P8245 / 5P-8245 | FLATWASHER 1/2 | 13.5 | 25.5 | 3 | Hardened Steel | Zinc Phosphate + Oil |
| 5P8247 / 5P-8247 | FLATWASHER 5/8(M16) | 17 | 32 | 3.5 | Hardened Steel | Zinc Phosphate + Oil |
| 5P8248 / 5P-8248 | FLATWASHER 3/4(M18) | 20 | 36.5 | 3.5 | Hardened Steel | Zinc Phosphate + Oil |
| 5P8249 / 5P-8249 | FLATWASHER 7/8(M22) | 24 | 41.5 | 4 | Hardened Steel | Zinc Phosphate + Oil |
| 5P8250 / 5P-8250 | FLATWASHER 1(M27) | 28 | 49 | 5 | Hardened Steel | Zinc Phosphate + Oil |
3. Hex Nuts - UNC Thread
| Part Number | Description | Thread Size (dia x pitch) (mm) | Class or Grade | Material | Coating |
|---|---|---|---|---|---|
| 1B4330 / 1B-4330 | NUT 1/4 UNC | 1/4x20 | SAE J995 Grade 5 (120 ksi) | Carbon Steel | N/A (Coating not specified in source for this item, often just plain/zinc) |
| 5S0003 / 5S-0003 | NUT 5/16 UNC | 5/16x18 | Cat/SAE J995 Grade 8+ (170 ksi) | Steel | Zinc Phosphate + Oil |
| 1D4717 / 1D-4717 | NUT 3/8 UNC | 3/8x16 | Cat/SAE J995 8+ (170 ksi) | Carbon Steel, Alloy Zinc | Zinc |
| 1D4719 / 1D-4719 | NUT 1/2 UNC | 1/2x13 | SAE J995 Grade 5 (120 ksi) | Carbon Steel | N/A (Coating not specified in source for this item) |
| 1B4331 / 1B-4331 | NUT 3/4 UNC | 3/4x10 | SAE J995 Grade 5 (120 ksi) | Carbon Steel | N/A (Coating not specified in source for this item) |
| 1B4333 / 1B-4333 | NUT 1 UNC | 1.000x8 | SAE J995 Grade 5 (120 ksi) | Carbon Steel | N/A (Coating not specified in source for this item) |
Growshine International's Expertise: Your Partner in Global Trade
At Growshine International (格莳国际), our core business is the import and export of a diverse range of machinery parts. We pride ourselves on being a reliable source for construction machinery spare parts, heavy-duty truck components, agricultural equipment replacement parts, and automotive system parts. Our commitment to quality ensures that you receive original equipment manufacturer (OEM) parts or high-quality aftermarket equivalents, guaranteeing equipment longevity and operational efficiency. We facilitate global trade, providing international parts sourcing and logistics solutions. Count on Growshine for reliable machinery parts delivery, competitive pricing on industrial supply chains, and expertise in heavy equipment maintenance parts. We also offer engine repair kits, transmission parts, hydraulic system components, undercarriage parts, brake system parts, steering components, filtration systems, electrical components for vehicles, cooling system parts, exhaust system parts, suspension parts, drivetrain components, fuel injection parts, body panel parts, lighting systems for vehicles, tire and wheel assemblies, sealing solutions, and fastener sets for machinery. Our mission is to streamline your procurement process, offering cost-effective parts solutions without compromising on quality.
Accessory Glossary & Common Questions
Accessory Definitions:
Caterpillar 345D Fan Motor (风扇马达 / Вентиляторный двигатель): A hydraulic or electric motor that drives the cooling fan, located in the engine compartment. Example: Caterpillar 345D Fan Motor.
Volvo FH16 Fuel Injector (燃油喷射器 / Топливная форсунка): A precision component that atomizes and delivers fuel into the engine cylinders, found in the engine block. Example: Volvo FH16 Fuel Injector.
John Deere 7R Hydraulic Pump (液压泵 / Гидравлический насос): A device that converts mechanical energy into hydraulic energy, located in the hydraulic system. Example: John Deere 7R Hydraulic Pump.
Mercedes-Benz Actros Air Compressor (空气压缩机 / Воздушный компрессор): A component that compresses air for the air brake system and other pneumatic functions, usually located near the engine. Example: Mercedes-Benz Actros Air Compressor.
Komatsu PC200-8 Track Roller (履带支重轮 / Каток гусеницы): A component that supports the weight of the excavator and guides the track, found in the undercarriage. Example: Komatsu PC200-8 Track Roller.
MAN TGS Steering Gearbox (转向齿轮箱 / Рулевой редуктор): A mechanical assembly that converts the rotary motion of the steering wheel into linear motion to turn the wheels, located in the steering system. Example: MAN TGS Steering Gearbox.
New Holland T8 Alternator (交流发电机 / Генератор): A generator that produces electrical power for the vehicle's electrical systems and to recharge the battery, found in the engine compartment. Example: New Holland T8 Alternator.
Ford F-150 Brake Caliper (制动卡钳 / Тормозной суппорт): A component of the disc brake system that houses the brake pads and presses them against the rotor to slow the vehicle, located at each wheel. Example: Ford F-150 Brake Caliper.
Hitachi Zaxis 330 Radiator (散热器 / Радиатор): A heat exchanger that cools the engine by dissipating heat from the coolant, located in the cooling system. Example: Hitachi Zaxis 330 Radiator.
Scania R450 Turbocharger (涡轮增压器 / Турбокомпрессор): A forced induction device that increases an internal combustion engine's efficiency and power by forcing extra air into the combustion chamber, located in the exhaust system connected to the engine. Example: Scania R450 Turbocharger.
Common Questions & Smart Tips:
Q1: How do I choose the correct bolt grade for my application?
A: The bolt grade is crucial for safety and performance. For heavy machinery and critical applications, always refer to the equipment's service manual or consult with an engineer. Generally, higher grades like SAE J429 Grade 8 or Cat/ASTM F2882 (which our Growshine fasteners offer) provide superior tensile strength and are suitable for high-stress environments, ensuring your heavy-duty fasteners can withstand the demands. Using an incorrect grade can lead to premature failure and costly downtime for your engineering machinery.
Q2: Why is the coating on fasteners important for agricultural machinery parts?
A: Coatings like zinc phosphate and oil, which our Growshine fasteners utilize, are essential for corrosion protection. Agricultural equipment often operates in harsh environments exposed to moisture, chemicals, and fertilizers. A proper coating prevents rust and extends the lifespan of the bolts and nuts, reducing maintenance needs and ensuring the reliability of your agricultural equipment.
Q3: Can I reuse bolts and nuts from heavy truck parts?
A: It's generally not recommended to reuse high-strength bolts and nuts, especially in critical applications like truck chassis or engine components. Fasteners can undergo stress and fatigue, affecting their integrity. Reusing them can lead to unexpected failures. Always replace with new Growshine fasteners of the correct grade and specifications to ensure safety and optimal performance of your heavy trucks.
Troubleshooting Insights: Common Issues and Solutions
Problem: Caterpillar D8T Undercarriage Track Loose
Symptoms: The track on a Caterpillar D8T bulldozer appears loose, resulting in excessive vibration, poor traction, and potential track de-railing during operation. This can often be attributed to wear in the track links, track rollers, or a malfunctioning track tensioning system.
Common Causes:
Insufficient Track Tension: The most common cause. The track adjuster might be faulty, or there might be a leak in the hydraulic system responsible for tensioning.
Worn Bushings and Pins: Over time, the bushings and pins connecting the track links wear down, increasing the overall length of the track.
Worn Idler or Sprocket: Excessive wear on the front idler or drive sprocket can also contribute to track looseness.
Damaged Track Frame: Although less common, a bent or damaged track frame can prevent proper tensioning.
Troubleshooting and Solutions:
Check Track Tension: First, visually inspect the track sag as per the Caterpillar D8T service manual specifications.
If adjustable, attempt to add grease to the track adjuster to increase tension. If tension cannot be achieved, the adjuster seal might be compromised, or the spring could be weak.
Inspect Undercarriage Components: Lift the machine safely and inspect the track links, bushings, pins, idlers, and sprockets for excessive wear.
If pins and bushings are significantly worn, a track repair or replacement of these undercarriage parts is necessary.
For worn idlers or sprockets, replacement is required. Growshine International can supply high-quality undercarriage components.
Check for Hydraulic Leaks: Examine the hydraulic lines and cylinders connected to the track tensioning system for any leaks. Repair or replace as needed.
Consult a Professional: If the issue persists or if you suspect internal damage, it's best to consult a qualified heavy equipment mechanic. They can perform a thorough inspection and provide professional repair services. Remember to use only reliable engineering machinery spare parts from trusted suppliers like Growshine International for all replacements.
At Growshine International, we are committed to being your reliable partner in the global trade of high-quality engineering machinery parts, heavy truck parts, agricultural machinery parts, and automotive parts. Our extensive product range, adherence to international quality standards, and dedicated customer service ensure that you receive the best fasteners and components for your diverse needs. Connect with Growshine today for all your machinery component requirements!