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Home > Tools & Hardware > Hand Tools > Wrench > Convex Striking Box Wrench, 45# Steel, 150mm Length,17 mm Opening, Convex Ring Striking Wrench
Convex Striking Box Wrench, 45# Steel, 150mm Length,17 mm Opening, Convex Ring Striking Wrench
Product Spotlights
Manufactured from premium 45# steel with a 150mm length and 17mm convex ring opening, this striking box wrench delivers high torque transmission without slipping. Designed for heavy industrial use, it reduces fastener rounding and enhances operator safety. Customizable dimensions and coatings available. Backed by a manufacturer with over 20 years of experience and US$100M+ annual exports.
US$ 11
≥10 Units
Key Specifications
Get Latest Price
Material:
Other, 45# Steel
Type:
Other, Convex Striking Box Wrench
Surface Treatment:
Other, Customizable (e.g., black oxide, plain finish)
Payment & Shipping
Payment Methods:
Port of Shipment:
Tianjin
Delivery Detail:
7 days
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Material
Other, 45# Steel
Type
Other, Convex Striking Box Wrench
Surface Treatment
Other, Customizable (e.g., black oxide, plain finish)
Length
150mm
Opening Size
17mm
Shape
Convex Ring
Application
Industrial maintenance, automotive, heavy equipment
Weight
Approx. 300g (based on specifications, available upon request)
Product Overview
At Cangzhou Dean Safety & Special Tools Co., Ltd., we take pride in manufacturing high-performance striking tools engineered for demanding environments. Our Convex Striking Box Wrench, crafted from premium 45# steel with a 150mm length and a 17mm opening, is designed to deliver exceptional torque transmission and durability. The convex ring striking surface ensures secure engagement with fasteners, reducing slippage and enhancing safety during heavy-duty striking operations. Whether you are working on industrial machinery, automotive assembly, or large-scale maintenance projects, this tool is built to withstand repeated impact without deformation.
Key Features & Technical Specifications
- Material Excellence: Made from 45# high-carbon steel, offering a balanced combination of hardness and toughness for prolonged service life.
- Precision Dimensions: 150mm overall length and 17mm opening size, conforming to standard fastener dimensions for optimal fit.
- Convex Ring Design: The unique convex profile on the striking ring concentrates impact force, reducing the risk of nut rounding and accelerating fastener loosening or tightening.
- Heat Treatment: Through-hardened and tempered to achieve a consistent structural integrity, ensuring resistance to cracking under high-stress impact.
- Surface Options: Available in plain finish or protective coatings (e.g., black oxide) upon request to prevent corrosion.
- Versatile Application: Suitable for use with striking hammers, mallets, or sledgehammers in industrial, automotive, and construction settings.
| Parameter | Value |
| Material | 45# Steel |
| Overall Length | 150 mm |
| Opening Size | 17 mm |
| Head Type | Convex Striking Ring (Box) |
| Hardness (HRC) | 38-42 (typical, customizable) |
| Surface Finish | Plain / Black Oxide (optional) |
| Weight | ~300 g (per piece) |
Advantages Over Conventional Striking Wrenches
- Reduced Slipping: The convex ring design acts like a self-centering feature, minimizing the chance of the wrench dislodging under heavy blows.
- Enhanced Safety: By maintaining consistent contact, the tool reduces the risk of hand injuries caused by sudden wrench slip.
- Increased Torque Efficiency: Impact energy is transferred directly to the fastener, requiring fewer strikes to achieve the desired torque.
- Longer Service Life: 45# steel with controlled heat treatment resists wear and deformation even after thousands of cycles.
- Customizable Dimensions: We can produce other lengths and opening sizes based on your requirements (minimum order quantity may apply).
Why Choose Cangzhou Dean Safety & Special Tools Co., Ltd.?
Since 2001, we have been a dedicated manufacturer of safety and specialty tools, exporting over US$100 million annually to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our factory in Cangzhou, Hebei, China, is equipped with advanced forging and heat treatment lines, ensuring consistent quality for every batch. We understand the criticality of reliable tools in industrial applications, and our Convex Striking Box Wrench is just one example of our commitment to precision and durability. With flexible shipping ports (Tianjin, Shanghai, Ningbo) and a responsive customer service team, we are ready to support your bulk or custom orders. Contact us today to discuss your specific needs and request a sample.
Frequently Asked Questions (FAQ)
-
Q: What is the difference between a convex striking box wrench and a standard striking wrench?
A: A convex wrench features a curved striking ring that concentrates impact force on the fastener center, reducing slippage and improving torque transmission. Standard wrenches have a flat striking surface, which may lead to more slipping and higher effort. -
Q: Can this wrench be used with a standard sledgehammer?
A: Yes, it is designed for use with striking hammers, mallets, or sledgehammers. Ensure the hammer face is compatible with the convex ring to avoid damage. -
Q: Is the 17mm opening available in other sizes?
A: We offer a range of opening sizes from 6mm to 55mm and can customize dimensions based on your requirements. Please contact us for a complete size chart. -
Q: What material is used for this wrench, and how durable is it?
A: It is made from 45# high-carbon steel, heat-treated to 38-42 HRC. This provides excellent toughness and resistance to deformation under repeated heavy striking. -
Q: Does the wrench come with a surface coating for rust prevention?
A: The standard finish is plain steel. We offer optional black oxide or other coatings to enhance corrosion resistance. Please specify your preference when ordering. -
Q: What is the minimum order quantity (MOQ) for this product?
A: MOQ is typically 100 pieces for standard sizes. For customized dimensions or finishes, MOQ may be higher. Contact our sales team for details. -
Q: How long is the delivery time for bulk orders shipped to the USA?
A: Delivery time depends on order quantity and shipping method. Typically, 30-45 days after order confirmation for sea freight to major US ports. -
Q: Can I get a sample before placing a large order?
A: Yes, we provide samples. Sample cost and shipping charges apply, which will be deducted from your first bulk order. Please reach out to request a sample.
Send Inquiry to This Supplier
Ms. Jesse
Foreign Trade Manager
1Yr
Cangzhou, Hebei, China
1Yr
Business Type
Manufacturer
Year Established
2001
Annual Export Value
Above US$100 Million
Port of Shipment
tianjin, shanghai, ningbo
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