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Help CenterBent Hex Wrench 2.5mm to 10mm Single Piece Mill Test Report Included
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Welcome to Cangzhou Dean Safety & Special Tools Co., Ltd – your reliable partner for high‑quality hand tools since 2001. As a professional manufacturer with an annual export value exceeding US$100 Million, we take pride in delivering precision tools that meet the demands of global industries. Our Bent Hex Wrench 2.5mm to 10mm Single Piece is designed for professionals who require durability, accurate torque transfer, and full material traceability. Each wrench comes with its own Mill Test Report (MTR), ensuring you receive certified material quality straight from the factory.
This bent hex wrench set covers the most commonly used metric sizes from 2.5mm up to 10mm, making it ideal for mechanical assembly, automotive repair, aerospace maintenance, and construction applications. The bent (offset) design allows easy access to recessed fasteners and provides improved leverage when turning. Manufactured from high‑grade chrome vanadium steel with a corrosion‑resistant finish, each wrench is forged for strength and heat‑treated for long‑lasting performance.
- Precision Sizing: Each wrench is manufactured to tight tolerances (ISO 2936 compliant) to ensure a secure fit on hex fasteners.
- Bent Design: The 90° angled offset provides better clearance and improved access in tight spaces.
- Material Certifications: Every single piece includes a Mill Test Report (MTR) showing chemical composition and mechanical properties.
- Durable Finish: Black oxide coating reduces friction and resists rust, extending tool life.
- Available in Single Pieces: Unlike common sets, you can purchase exactly the size you need – decreasing inventory costs and waste.
- Easy Identification: Size markings are laser‑etched on the long arm for quick recognition.
| Specification | Details |
|---|---|
| Available Sizes (mm) | 2.5, 3, 4, 5, 6, 8, 10 (other metric sizes upon request) |
| Material | Chrome Vanadium Steel (AISI 6150 / equivalent) |
| Hardness (HRC) | 48–52 HRC after heat treatment |
| Finish | Black oxide / Phosphate (manganese phosphate optional) |
| Mill Test Report | Included with each piece, certifying material composition & tensile strength |
| Packaging | Individual polybag with size label; bulk packaging on request |
| Port of Shipment | Tianjin, Shanghai, Ningbo (China) |
Our factory in Cangzhou, Hebei has been producing specialty tools for over two decades. With a strong export presence across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East, we understand the quality expectations of global buyers. The Mill Test Report we provide is not just a piece of paper – it is a traceable guarantee that the steel used in your wrench meets the required standards for hardness, ductility, and resistance. This is especially important in critical applications such as aircraft maintenance, high‑pressure hydraulic systems, and precision machinery.
Compared to standard hex keys sold in bulk sets, our bent hex wrenches offer three distinct advantages: (1) Single‑piece availability – you replace only what you lose or wear out, saving costs; (2) Certified material – full MTR included at no extra charge; (3) Custom sizing – we can produce specialty sizes or coatings per your requirements. The bent arm geometry also reduces hand fatigue and provides a more comfortable grip during repetitive use.
With over US$100 Million in annual exports and a dedicated quality control team, Cangzhou Dean Safety & Special Tools ensures that every wrench leaving our factory meets strict dimensional and material specifications. Our clients include leading automotive OEMs, aerospace suppliers, and industrial distributors. We offer flexible shipping from three major Chinese ports (Tianjin, Shanghai, Ningbo) and can arrange express delivery for urgent orders. Don't let inferior tools compromise your work – choose a bent hex wrench that comes with its own mill test report. Contact us today for a quotation or to request a free sample.
Frequently Asked Questions
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Q: What sizes are available in this bent hex wrench?
A: We stock sizes from 2.5mm to 10mm individually. Other metric sizes (e.g., 1.5mm, 12mm, 14mm) and inch sizes can be made to order. -
Q: Is the Mill Test Report always included?
A: Yes, each single piece comes with its own Mill Test Report (MTR) showing chemical composition and mechanical properties. This is standard for all our hex wrenches. -
Q: Can I purchase a full set instead of individual pieces?
A: We mainly supply single pieces, but we can also pack a complete range (2.5–10mm) in a custom pouch or tray as a set if needed. Please specify your requirement. -
Q: What is the hardness of the wrench?
A: After heat treatment, the hardness typically reaches 48–52 HRC, which provides excellent wear resistance while maintaining sufficient toughness to prevent breakage. -
Q: Are custom coatings or finishes available?
A: Yes, we offer optional finishes such as manganese phosphate, zinc plating, or even no coating (bare steel). Contact us with your preferred finish. -
Q: How do you ship, and what are the typical lead times?
A: We ship from Tianjin, Shanghai, or Ningbo. For stock sizes, lead time is 7–15 days. For custom sizes or large quantities, please allow 20–30 days. -
Q: Do you provide a warranty?
A: We offer a 12‑month warranty against manufacturing defects. Our quality assurance team will replace any defective wrench free of charge. -
Q: Can I get a sample before placing a bulk order?
A: Absolutely. We can send one sample piece (any size) at a nominal cost, which will be deducted from your first bulk order. Samples include the Mill Test Report as well.
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