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Help Center45# Steel Bent Construction Open End Wrench, 30 mm Opening,Industrial Curved Open Wrench,Offset Open End Wrench
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As a leading manufacturer since 2001, Cangzhou Dean Safety & Special Tools Co., Ltd is proud to present our premium 45# Steel Bent Construction Open End Wrench with a precise 30 mm opening. Engineered for industrial professionals, this offset open end wrench combines strength, durability, and ergonomic design to tackle demanding fastening tasks in confined or awkward spaces. Our factory, with an annual export value exceeding US$100 million, serves global markets across North America, South America, Europe, Asia, Africa, and Oceania, ensuring consistent quality and reliable supply.
Product Overview: This industrial curved open end wrench is crafted from high-grade 45# steel, known for its excellent tensile strength and wear resistance. The bent construction (offset angle typically 15° or 22.5° – customizable) allows operators to reach nuts and bolts that are recessed or obstructed, providing a secure grip without slipping. The 30 mm opening is precisely machined to fit standard hex fasteners, making it an essential tool for heavy equipment maintenance, pipeline work, automotive repair, and construction sites.
Key Features & Technical Specifications
- Material: Drop-forged 45# carbon steel for superior toughness and longevity.
- Opening Size: 30 mm (nominal) – accurately machined to ensure tight fit and reduced fastener rounding.
- Offset Design: Bent at an optimized angle (standard 15° or 22.5°) to improve access in tight spaces.
- Surface Finish: Available with black oxide, chrome plating, or plain oiled finish – customizable per order.
- Heat Treatment: Quenching and tempering provide consistent hardness (HRC 40-48 typical, specifics upon request).
- Length Options: Multiple handle lengths available (e.g., 250mm, 300mm, 350mm) to suit different torque requirements.
- Standards: Manufactured in accordance with industry norms (e.g., DIN, ASME – certifications available upon request).
- Packaging: Bulk packed in cartons, or individually sleeved – customizable according to buyer preferences.
| Parameter | Detail |
|---|---|
| Material Grade | 45# Carbon Steel (AISI 1045 equivalent) |
| Opening Size | 30 mm (1-3/16 inch approximate) |
| Overall Length | 300 mm (default), other lengths available |
| Offset Angle | Standard 15° or 22.5°; custom angles upon request |
| Surface Hardness | HRC 40-48 (after heat treatment) |
| Finish Options | Black oxide, chrome plated, plain |
Advantages for Your Business: Our offset open end wrench is built to withstand heavy industrial use, reducing tool breakage and replacement costs. The precision 30 mm opening ensures a secure grip on fasteners, minimizing slippage that can damage bolt heads or cause injuries. The bent design allows technicians to work more efficiently in confined areas—such as engine compartments or pipe flanges—saving time and labor. With our flexible customization options (length, angle, finish), you can order tools tailored to your specific application, whether for assembly lines, field maintenance, or heavy machinery repair.
Trusted Global Supply – Your Reliable Partner
Cangzhou Dean Safety & Special Tools Co., Ltd has been a trusted manufacturer since 2001, exporting over US$100 million annually to more than a dozen global markets including North America, Europe, Southeast Asia, Africa, and the Middle East. Our production facilities in Cangzhou, Hebei, China are equipped with advanced forging and machining lines, ensuring consistent quality and on-time delivery from major ports (Tianjin, Shanghai, Ningbo). We maintain rigorous in-house testing for dimensional accuracy, hardness, and finish, so you receive tools that meet your expectations every time.
Why choose our 45# Steel Bent Open End Wrench? Every batch is inspected for material composition and functional performance. Our team works closely with buyers to provide samples, custom packaging, and technical support. With decades of experience and a strong export track record, we are committed to delivering cost-effective, durable wrenches that enhance your operational efficiency. Contact us today to discuss your requirements or request a quote.
Frequently Asked Questions
Q1: Is the 30 mm opening exactly 30 mm or approximate?
A: The opening is machined to a nominal 30 mm with standard tolerances (typically ±0.1 mm) to fit M20 or 3/4" fasteners. Precise specifications can be provided upon request.
Q2: What is the maximum torque this wrench can handle?
A: Torque capacity depends on handle length and material. For a standard 300 mm length, it can safely apply approximately 150-200 Nm. For higher torque applications, we recommend a longer handle or a different tool. Contact us for detailed torque tables.
Q3: Can I order a different offset angle?
A: Yes, we offer custom offset angles (e.g., 30°, 45°) based on your specific application needs. MOQ may apply.
Q4: What surface finishes are available and which is best for corrosion resistance?
A: Black oxide provides moderate corrosion resistance and a matte finish; chrome plating offers superior rust protection and a smooth appearance; plain oiled is economical but requires maintenance. We recommend chrome plating for humid or outdoor environments.
Q5: How is the wrench packaged for export?
A: Standard packing is bulk in strong cartons (50-100 pieces per carton) with individual sleeves or foam inserts optional. Custom labeling and barcoding are available.
Q6: Do you have any quality certifications?
A: Our manufacturing process follows ISO 9001 quality management principles. Specific certifications (e.g., DIN, ASME) can be applied upon customer request and verification.
Q7: Can I get a sample before placing a large order?
A: Yes, we accept sample orders. Sample cost and shipping are negotiable; typically we charge sample fee which is refundable for bulk orders.
Q8: What are the typical lead times?
A: For standard sizes and finishes, lead time is 15-25 days after order confirmation. Custom products may require 30-45 days depending on complexity. We ship via FOB from Tianjin, Shanghai, or Ningbo.
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