Wrenches

Image Part Number Description / PDF Quantity Rfq
68510

68510

Klein Tools

WRENCH COMBINATION 10MM 6.5"

10

30438

30438

Wiha

COMBINATION INCH WRENCH 9/16"

5

85913

85913

Xcelite

WR RAT XL GEARBOX DBL BOX 13MM

0

85267

85267

Xcelite

WR RAT X-BEAM FLEX COMB 17MM

0

86128

86128

Xcelite

WR RAT XL DBL BOX FLEX 120XP 1/4

0

JT-WR-07058

JT-WR-07058

Jameson LLC

7/8" RATCHETING BOX WRENCH

5

0830

0830

Ampco Safety Tools

WRENCH DBL BOX ST 36X41MM

1

86135

86135

Xcelite

WR RAT XL DBL BOX FLEX 120XP 5/8

0

W-3160

W-3160

Ampco Safety Tools

WRENCH DBL BOX 5/8X3/4"

1

20144

20144

Wiha

WRENCH OPEN END 13/16" 7.52"

0

86422

86422

Xcelite

WR RAT COMB 120XP 22MM

0

30317

30317

Wiha

COMBINATION RATCHET WRENCH 17MM

4

68508

68508

Klein Tools

WRENCH COMBINATION 8MM 5.39"

44

W-3140

W-3140

Ampco Safety Tools

WRENCH DBL BOX 1/2X19/32"

1

85326

85326

Xcelite

WR RAT REV S 3/8X7/16

0

0884

0884

Ampco Safety Tools

WRENCH DBL BOX ST 1X1-1/8"

1

60 P 10

60 P 10

GEDORE Tools, Inc.

ADJUSTABLE SPANNER OPEN END 10"

5

W-674

W-674

Ampco Safety Tools

WRENCH COMBINATION 1-1/4"

1

0354-64

0354-64

Paladin Tools (Greenlee Communications)

WRENCH COMBINATION 19MM 9.69"

0

85298

85298

Xcelite

SET WR X-BEAM FLEX COMB SAE 9PC

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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