Wrenches

Image Part Number Description / PDF Quantity Rfq
30410

30410

Wiha

COMBINATION WRENCH 10MM

6

30420

30420

Wiha

COMBINATION WRENCH 20MM

5

21215

21215

Wiha

INSULATED RATCHET WRENCH 15MM

5

30415

30415

Wiha

COMBINATION WRENCH 15MM

5

76215

76215

Wiha

WRENCH ADJ 1-11/16" 14.96"

0

76208

76208

Wiha

WRENCH ADJUSTABLE 1" 7.87"

4

30487

30487

Wiha

COMBO WRENCH 41PC SET IN/MM

0

50043

50043

Wiha

WRENCH COMBINATION 1/4" 3.94"

0

30016

30016

Wiha

WRENCH COMBINATION 16MM

0

47590

47590

Wiha

WRENCH SET BOX END 5.5MM-23MM

0

30447

30447

Wiha

COMBINATION INCH WRENCH 1"

5

21208

21208

Wiha

WRENCH BOX END 8MM 4.92"

3

30442

30442

Wiha

COMBINATION INCH WRENCH 3/4"

5

32975

32975

Wiha

WRENCH PIPE 2.1" 16.77"

0

21094

21094

Wiha

WRENCH SET BOX END 1/4" - 1-1/4"

2

20017

20017

Wiha

WRENCH OPEN END 17MM 6.38"

0

30428

30428

Wiha

COMBINATION WRENCH 28MM

3

21290

21290

Wiha

WRENCH SET BOX END 8MM-19MM

2

30493

30493

Wiha

COMBINATION INCH WRENCHES 7 PC.

4

32979

32979

Wiha

WRENCH PIPE 2.1" 16.54"

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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