Double Box-End Quick Wrench | Double-End Ring Spanner | Cr-V Steel Fastening Wrench | Metric Double Ring Wrench

Double box-end quick wrench forged from premium chrome-vanadium steel for high hardness, toughness, and durability. Sandblasted matte finish provides wear and rust resistance. Double ring ends fit two sizes in one tool for fast, secure fastening. Available from 6×6mm to 18×19mm for automotive, mechanical, industrial, and DIY use. OEM/ODM and wholesale available.

Product Description

This double box-end quick wrench is forged from premium chrome-vanadium steel, delivering high hardness, good toughness, and reliable durability. Both ends feature box-end/ring profiles, allowing one wrench to fit two different sizes of nuts and bolts. The double-end design improves tool versatility and reduces the number of tools required for maintenance work.

The wrench features a sandblasted matte finish that provides a professional appearance, wear resistance, and good rust protection. The box-end design provides more complete contact around fasteners, distributing force more evenly and helping reduce slipping or damage to nut and bolt corners. It is ideal for automotive repair, machinery maintenance, equipment installation, industrial assembly, construction work, and household repair tasks.

Features

  • Premium Cr-V Steel: Forged from high-quality chrome-vanadium steel for high hardness, good toughness, and long service life.
  • Double Box-End Design: Two box ends provide two different sizes in one wrench for fast and convenient use.
  • Sandblasted Matte Surface: Durable matte finish offers wear resistance, rust protection, corrosion resistance, and a professional appearance.
  • Stable Fastener Engagement: Box ends provide broad contact around nuts and bolts for more even force distribution and reduced slipping.
  • Efficient Fastening Work: Dual-size design reduces tool changes and improves efficiency in assembly, maintenance, and repair tasks.
  • Popular Metric Size Options: Available in size combinations from 6×6mm to 18×19mm.
  • Versatile Applications: Suitable for industrial, mechanical, automotive, and household use.

Specifications

Item No. Size Overall Length (L) Inner Box Qty. Carton Qty. Unit Weight Gross Weight
W15018 6×6 mm 120 mm 10 pcs 240 pcs 0.038 kg 10.12 kg
W15019 6×8 mm 120 mm 10 pcs 240 pcs 0.038 kg 10.12 kg
W15020 8×9 mm 120 mm 10 pcs 240 pcs 0.041 kg 10.84 kg
W15021 8×10 mm 130 mm 10 pcs 240 pcs 0.047 kg 12.28 kg
W15022 10×11 mm 150 mm 10 pcs 240 pcs 0.065 kg 16.60 kg
W15023 12×13 mm 170 mm 10 pcs 150 pcs 0.098 kg 15.70 kg
W15024 12×14 mm 170 mm 10 pcs 150 pcs 0.096 kg 15.40 kg
W15025 14×15 mm 190 mm 10 pcs 100 pcs 0.125 kg 13.50 kg
W15026 16×18 mm 200 mm 10 pcs 100 pcs 0.176 kg 18.60 kg
W15027 17×19 mm 230 mm 10 pcs 100 pcs 0.210 kg 22.00 kg
W15028 18×19 mm 230 mm 10 pcs 100 pcs 0.221 kg 23.10 kg

Applications

This double box-end wrench is suitable for:

  • Automotive, motorcycle, and bicycle repair
  • Machinery installation, maintenance, and overhaul
  • Industrial production lines and assembly work
  • Metalworking, machinery manufacturing, and workshop repair
  • Construction, steel structure, and equipment installation
  • Agricultural machinery, construction equipment, and mining machinery maintenance
  • Plumbing, valve service, and fire protection equipment installation
  • Household repair, furniture assembly, and DIY projects

Why Choose Us

Premium Chrome-Vanadium Steel

Made from high-quality Cr-V steel for a dependable balance of hardness, toughness, and durability.

Efficient Double-End Design

Two box-end sizes in one wrench reduce tool changes and improve efficiency for job-site and workshop work.

Sandblasted Rust-Resistant Finish

The matte sandblasted finish is durable, professional, and suitable for general workshop and industrial environments.

Accurate Fit and Stable Engagement

Precisely machined box ends fit fasteners securely, helping reduce slipping and rounding of nut or bolt corners.

Strict Quality Control

Quality checks are carried out throughout material selection, forging, heat treatment, surface finishing, and packaging to ensure consistent performance.

OEM/ODM Customization Support

Custom logos, size combinations, surface finishes, packaging, and wrench sets are available for distributors, brands, and industrial buyers.

FAQ

Q1: What is the difference between a double box-end wrench and a double open-end wrench?
A1: A double box-end wrench has enclosed ring ends that provide more complete contact around a nut or bolt for more even force distribution. A double open-end wrench has open jaws and is more convenient for side access to fasteners.

Q2: Why is it called a “quick wrench”?
A2: The double-ended design provides two different sizes in one tool, reducing the time needed to find and switch wrenches during repair and assembly tasks.

Q3: What material is the wrench made from?
A3: It is forged from premium chrome-vanadium steel for high hardness, good toughness, and long-term durability.

Q4: What are the advantages of the sandblasted finish?
A4: The sandblasted matte finish improves wear and rust resistance, reduces glare, and gives the wrench a professional appearance and comfortable handling feel.

Q5: Can it be used on seized or heavily rusted fasteners?
A5: The wrench is suitable for normal fastening and maintenance work. For heavily rusted, seized, or extremely high-torque fasteners, use penetrating oil and appropriate high-torque tools such as sockets or breaker bars.

Q6: Can individual sizes be ordered?
A6: Yes. Individual sizes and mixed size combinations can be supplied according to your purchasing requirements.

Q7: Do you support customization?
A7: Yes. OEM/ODM customization is available for logos, size assortments, surface finishes, packaging, and tool set solutions.

OEM / ODM (Optional)

We offer flexible OEM/ODM services:

  • Custom Size Combinations: Double box-end size combinations such as 6×8mm, 8×10mm, 10×12mm, and more.
  • Custom Branding: Laser engraving, steel stamping, screen printing, ink printing, labels, and private-label packaging.
  • Custom Surface Finishes: Sandblasted matte, chrome plating, pearl nickel, mirror polish, black oxide, and more.
  • Custom Packaging: Hang cards, plastic racks, fabric pouches, roll bags, blister packs, color boxes, tool cases, and printed cartons.
  • Custom Wrench Sets: Available in 6-piece, 8-piece, 10-piece, or other customized set configurations.
  • Sampling and Mass Production: Support for drawing-based or sample-based development, sample approval, and stable bulk production.

Please send us your target size combinations, brand artwork, sample, or packaging requirements for a customized solution.