Wrenches

Image Part Number Description / PDF Quantity Rfq
WO-1-1/8X1-1/4

WO-1-1/8X1-1/4

Ampco Safety Tools

WRENCH DBL OPEN 1-1/8X1-1/4"

1

CTW-H

CTW-H

OK Industries (Jonard Tools)

F CONNECTOR TORQUE WRENCH HANDLE

0

85572

85572

Xcelite

WR RAT OPEN END 3/8

0

81826

81826

Xcelite

WR COMB LNG 12PT 2-3/16 SATIN

0

507-10

507-10

Klein Tools

WRENCH ADJUSTABLE 1-5/16" 10.13"

4

30388

30388

Wiha

RATCHET WRENCH 23PC SET 8-30MM

3

85260

85260

Xcelite

WR RAT X-BEAM FLEX COMB 10MM

0

21187-0916

21187-0916

Aven

WRENCH COMBINATION 9/16" 7.31"

8

86413

86413

Xcelite

WR RAT COMB 120XP 13MM

0

20018

20018

Wiha

WRENCH OPEN END 18MM 6.81"

0

85272

85272

Xcelite

WR RAT X-BEAM FLEX COMB 3/8

0

21013

21013

Wiha

WRENCH BOX END 13MM 7.64"

2

1316

1316

Ampco Safety Tools

WRENCH COMBINATION 16MM

1

30437

30437

Wiha

COMBINATION INCH WRENCH 1/2"

3

9551

9551

Xcelite

WR RAT COMB STBY FLEX 10MM

0

W-3230

W-3230

Ampco Safety Tools

WRENCH DBL BOX 15/16X1-1/16"

1

68422

68422

Klein Tools

WRENCH COMBINATION 1" 13.25"

2

W-670

W-670

Ampco Safety Tools

WRENCH COMBINATION 13/16"

1

1545132

1545132

GEDORE Tools, Inc.

TORQUE WRENCH TORCOFIX K 1/4" 5-

4

30303

30303

Wiha

COMBINATION RATCHET WRENCH 22MM

5

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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