Wrenches

Image Part Number Description / PDF Quantity Rfq
50008

50008

Wiha

WRENCH COMBINATION 12MM 6.30"

0

47533

47533

Wiha

WRENCH BOX END 1-1/16"X1-1/4"

0

47539

47539

Wiha

WRENCH BOX END 1-11/16"X1-7/8"

0

40031

40031

Wiha

WRENCH COMBINATION 28MM 12.60"

0

47512

47512

Wiha

WRENCH BOX END 25MMX28MM 13.62"

0

40066

40066

Wiha

WRENCH COMBINATION 1-3/4" 19.69"

0

50052

50052

Wiha

WRENCH COMBINATION 3/4" 9.06"

0

47508

47508

Wiha

WRENCH BOX END 18MMX19MM 11.42"

0

47523

47523

Wiha

WRENCH BOX END 9/16"X5/8" 9.41"

0

50058

50058

Wiha

WRENCH COMBO 1-1/16" 12.20"

0

47525

47525

Wiha

WRENCH BOX END 5/8"X3/4" 11.42"

0

47528

47528

Wiha

WRENCH BOX END 3/4"X7/8" 12.60"

0

35005

35005

Wiha

WRENCH OPEN END 7MMX8MM 5.12"

0

50027

50027

Wiha

WRENCH COMBINATION 24MM 11.02"

0

50050

50050

Wiha

WRENCH COMBINATION 5/8" 7.87"

0

50045

50045

Wiha

WRENCH COMBINATION 3/8" 5.51"

0

47511

47511

Wiha

WRENCH BOX END 24MMX26MM 13.27"

0

40009

40009

Wiha

WRENCH COMBINATION 13MM 6.69"

0

47504

47504

Wiha

WRENCH BOX END 10MMX11MM 7.68"

0

50044

50044

Wiha

WRENCH COMBINATION 5/16" 4.72"

0

Wrenches

1. Overview

Wrenches are hand tools designed to provide grip and torque for tightening or loosening nuts, bolts, and other fasteners. As fundamental components in mechanical engineering, they enable precise control of clamping forces in assembly, maintenance, and repair operations. Their importance spans across industries requiring reliable joint integrity, from automotive manufacturing to pipeline maintenance.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Open-End WrenchFixed jaw size with angled for quick engagementAutomotive engine assembly
Combination WrenchDual-ended (open+ring) with same size specificationsGeneral mechanical repairs
Adjustable WrenchVariable jaw width via threaded mechanismPlumbing pipe fittings
Torque WrenchPrecise torque measurement with audible/visual feedbackAerospace component installation
Socket WrenchInterchangeable socket heads with ratchet mechanismIndustrial machinery maintenance
Allen KeyHexagonal cross-section for socket head screwsFurniture assembly
Pipe WrenchSelf-tightening jaws with serrated teethSteel pipe installation

3. Structure and Components

Typical wrench construction includes: - Handle with ergonomic knurling/textured grip - Fixed/adjustable jaw assembly with hardened alloy steel - Ratchet mechanism (for socket wrenches) with pawl-and-roller system - Vernier scale (adjustable types) or torque scale (torque wrenches) - Surface treatment: Chrome vanadium finish or black oxide coating - Overload protection clutch (advanced torque models)

4. Key Technical Specifications

ParameterDescriptionImportance
Material Hardness50-60 HRC (Rockwell C scale)Determines wear resistance and torque capacity
Torque Range0-1500 N m (manual) / 0-5000 N m (hydraulic)Defines application suitability
Size Range4-60mm (metric) / 1/8"-2" (imperial)Compatibility with fastener dimensions
Accuracy Class 4% (industrial) / 1% (precision)Measurement reliability in critical applications
Surface ProtectionSalt spray resistance >500hCorrosion resistance in harsh environments

5. Application Fields

Key industries include: - Automotive manufacturing (engine assembly lines) - Aerospace maintenance (torque-critical fastening) - Construction (structural steel connections) - Pipeline systems (pressure-rated joint assembly) - Electronics (precision screw driving)
Case Study: Automotive Wheel Installation - Dual-direction torque wrenches ensure 120N m 5% clamping force consistency

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Innovation
Snap-onPro Torque Click WrenchMicrometer adjustment with 1N m increments
CraftsmanVDE Insulated Wrench Set1000V protection for electrical work
BoschECOtorque Adjustable WrenchErgonomic 3D grip design
StahlwilleNo.7602 Combination WrenchDouble-layer chrome plating

7. Selection Recommendations

Consider: 1. Matching size range to fastener specifications 2. Required torque accuracy class 3. Material compatibility (e.g. non-sparking alloys for explosive environments) 4. Ergonomic factors (weight <1.5kg for prolonged use) 5. Calibration certification requirements (ISO 6789 compliance) 6. Special features (digital readout, Bluetooth connectivity)

Industry Development Trends

Emerging patterns include: - Integration of IoT-enabled torque sensors - Adoption of carbon fiber-reinforced polymer handles - Development of multi-axis smart wrenches - Standardization of 1/2" drive systems for heavy-duty applications - Growth in cordless electric wrench market (CAGR 7.2% 2023-2028)

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