LD-262 Cr-V Combination Wrench Set Ring Spanner 8pcs | Wholesale Supplier

LD-262 Cr-V Combination Wrench Set Ring Spanner 8pcs | Wholesale Supplier

SKU: LD-262

LD-262 Chrome Vanadium Combination Wrench Set 8pcs with open-end and 12-point box-end. Metric sizes 8-24mm with chrome plated finish for automotive repair.

MOQ:200
Price Range:$4.00 - $18.00 / set
Material:Chrome Vanadium (Cr-V) Steel / Drop-Forged and Heat Treated / Chrome Plated Mirror Finish / 12-Point Box End / 15-Degree Offset Open End
Certifications:CE / ISO 9001 / DIN 3113 / GS
Size Range:8pcs set: 8x10, 9x11, 12x13, 14x15, 16x17, 18x19, 20x22, 21x24mm; 12-point ring end; 15-degree offset open end
Color Options:Chrome Silver / Black Oxide Finish / Yellow Packaging / Black and Orange Packaging
Weight:1000
Packing:Blister pack or plastic sleeve with cardboard header, 1 set per pack, 24-40 sets per carton
Lead Time:15-25 days
Sample:Available
Customization:OEM piece count and size range, custom finish, private label branding, logo stamping, packaging design, roll pouch option, SAE specification
Mixed Order:true

Product Details

LD-262 Cr-V Combination Wrench Set Ring Spanner 8pcs

LD-262 Chrome Vanadium Combination Wrench Set 8pcs with open-end and 12-point box-end. Metric sizes 8-24mm with chrome plated finish for automotive repair.

The LD-262 Chrome Vanadium Combination Wrench Set is a versatile professional tool kit designed for tightening and loosening hexagonal nuts and bolts in automotive repair, mechanical maintenance, industrial assembly, motorcycle repair, plumbing, and general fastening applications. Each combination wrench features an open-end on one side and a 12-point box-end (ring end) on the other, providing the user with two distinct fastening options in a single tool. The open-end allows rapid side-on engagement for quick spinning of loosely fitted fasteners, while the box-end provides full enclosure of the fastener for high-torque applications where maximum grip and minimal rounding risk are essential. The wrenches are drop-forged from premium chrome vanadium (Cr-V) steel and heat-treated to achieve a hardness of HRC 40-48, providing superior strength, toughness, and wear resistance compared to carbon steel alternatives. The chrome plating provides excellent corrosion resistance and a professional mirror finish that is easy to clean and maintain. The 12-point box-end design allows the wrench to engage the fastener at 30-degree intervals (12 positions per revolution), enabling operation in tight spaces with limited swing room. This is particularly valuable in engine compartments, transmission cases, and confined machinery where a full 60-degree swing (6-point) is not possible. The box-end also features a 15-degree offset from the wrench centerline, providing knuckle clearance and allowing the wrench to access recessed fasteners. The open-end features a 15-degree offset in the opposite direction, allowing the wrench to be flipped for different working angles. The open-end jaws are precision-machined to tight tolerances to maximize contact area with the fastener head, reducing the risk of rounding. The 8-piece set covers metric sizes from 8mm to 24mm, including the most commonly used sizes in automotive and mechanical applications: 8x10, 9x11, 12x13, 14x15, 16x17, 18x19, 20x22, and 21x24mm. Each size is clearly stamped on both ends of the wrench for quick identification. The set is supplied in a blister pack with cardboard backing or in a vinyl roll pouch for professional storage and transport. Whether repairing automotive engines and transmissions, maintaining mechanical equipment, assembling industrial machinery, servicing motorcycles and bicycles, installing plumbing fixtures, or performing general mechanical fastening, the LD-262 combination wrench set provides versatile and reliable performance.

Core Features

  • Drop-forged chrome vanadium (Cr-V) steel with HRC 40-48 hardness
  • Combination design: open-end and 12-point box-end per wrench
  • Chrome plated mirror finish for corrosion resistance
  • 12-point box-end for 30-degree indexing in tight spaces
  • 15-degree offset on both ends for knuckle clearance
  • 8-piece metric set covering 8-24mm sizes

Application Scenarios

  • Automotive engine and transmission repair
  • Mechanical equipment maintenance and repair
  • Industrial machinery assembly and service
  • Motorcycle and bicycle repair and maintenance
  • Plumbing and pipe fitting installation
  • General mechanical fastening and loosening

FAQ

What is the advantage of a 12-point box-end over a 6-point?

A 12-point box-end can engage the fastener at 30-degree intervals, allowing you to turn the fastener in tighter spaces where only a 30-degree swing is available. A 6-point box-end requires a 60-degree swing. However, 6-point box-ends provide better contact and are less likely to round off fasteners under high torque. For most automotive and mechanical applications, 12-point is preferred for its accessibility advantage.

Why choose a combination wrench over separate open-end and box-end wrenches?

A combination wrench gives you both fastening options in a single tool. Use the open-end for quick engagement and removal of loose fasteners, then switch to the box-end for final tightening or breaking loose stubborn fasteners. This saves time and reduces the number of tools needed. The combination design is the most popular wrench style for professional mechanics.

Can I use these wrenches with an extension or cheater bar?

Using a cheater bar (pipe extension) on the wrench handle to increase leverage is not recommended. The wrench is designed for hand-applied torque only. Excessive leverage can exceed the wrench's yield strength, causing permanent bending or breakage, and can also damage the fastener. For stubborn fasteners, use a longer wrench or a breaker bar with a socket. Using penetrating oil and heat is safer than excessive leverage.

What is the difference between Cr-V and S2 steel for wrenches?

Chrome vanadium (Cr-V) steel is the standard material for wrenches, offering excellent strength, toughness, and wear resistance at a reasonable cost. S2 steel is harder and is typically used for screwdriver bits and hex keys where maximum hardness is needed. For wrenches, Cr-V is preferred because it offers better toughness (resistance to breaking) while still providing adequate hardness for fastening applications.