Straight Box Wrench, 45# Steel Heavy Duty, 17mm/19mm/22mm/24mm, 200mm Length, Industrial Grade
Product Spotlights
Cangzhou Dean Safety&Special Tools Co.,Ltd, established in 2001 with an annual export value exceeding US$100 million, introduces our premium Straight Box Wrench crafted from high-quality 45# steel. Designed for heavy-duty industrial applications, this wrench delivers exceptional torque and durability for demanding tasks. Available in four common sizes (17mm, 19mm, 22mm, 24mm) with a uniform 200mm length, it offers versatility for automotive, machinery, and maintenance work. Our factory direct supply ensures competitive pricing and consistent quality, backed by over two decades of manufacturing experience serving global markets.
Key Features & Technical Specifications
- 45# Steel Construction: Provides excellent hardness and wear resistance for repeated heavy use.
- Industrial Grade Hardness: Heat-treated for enhanced toughness and long service life.
- Precision Machined Sizing: Tight tolerances ensure a secure fit on fasteners, reducing slippage and damage.
- Straight Box Design: Ideal for accessing recessed nuts and bolts with limited clearance.
- 200mm Length: Balanced leverage for effective torque application without excessive bulk.
- Multiple Size Options: Covers 17mm, 19mm, 22mm, and 24mm – four most common sizes in one tool range.
- Corrosion Resistant Finish: Optional surface treatments (phosphate, black oxide) available upon request.
Dimensional Specifications (per size)
| Size (mm) | Length (mm) | Steel Grade | Weight (approx.) |
| 17mm | 200 | 45# | ~0.28 kg |
| 19mm | 200 | 45# | ~0.32 kg |
| 22mm | 200 | 45# | ~0.40 kg |
| 24mm | 200 | 45# | ~0.45 kg |
Why Choose Our Straight Box Wrench?
- Manufactured by an established company with 20+ years of experience in safety and special tools.
- Exported to over 15 major markets worldwide, including North America, Europe, Southeast Asia, and Africa.
- Strict quality control ensures each wrench meets industrial-grade performance standards.
- Customizable handles, packaging, and surface finish to match buyer requirements (MOQ negotiable).
- Direct factory pricing eliminates middleman costs – ideal for wholesalers and industrial distributors.
With an annual export value exceeding US$100 million, Cangzhou Dean Safety&Special Tools has proven reliability and capacity to fulfill large-volume orders. Our logistics network via Tianjin, Shanghai, and Ningbo ports ensures timely delivery worldwide. Whether you need a single size or a mixed batch, our team offers professional support from inquiry to after-sales. Contact us today to request a quote or sample – experience the quality of a trusted Chinese manufacturer firsthand.
Frequently Asked Questions
-
Q: Is this wrench sold as a set of four sizes, or individually?
A: Each size is sold individually unless you request a set. You can order any combination of 17mm, 19mm, 22mm, or 24mm. -
Q: What is the hardness of the 45# steel after heat treatment?
A: Typical hardness reaches HRC 38-42, suitable for repeated heavy-duty use. Specific requirements can be accommodated. -
Q: Can I get a different length for a specific size?
A: The standard length is 200mm for all listed sizes. Custom lengths are possible for large orders; please consult our sales team. -
Q: Do you offer any surface coating to prevent rust?
A: Yes, we offer optional black oxide or phosphate treatment. The standard finish is as-is steel with anti-rust oil coating. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ is typically 500 pieces per size, but we can discuss smaller trial orders for new customers. -
Q: How long is the delivery time for bulk orders?
A: Standard production takes 20-30 days after order confirmation, depending on quantity and finish customization. -
Q: Do you provide samples for quality evaluation?
A: Yes, samples are available. You will need to cover the shipping cost, which will be deducted from your first bulk order. -
Q: Is this wrench suitable for pneumatic or impact tools?
A: No, this is a manual hand tool. It is not designed for use with power tools.
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