Wrenches

Image Part Number Description / PDF Quantity Rfq
30323

30323

Wiha

COMBINATION RATCHET WRENCH 5/16"

4

V 60 CP 6

V 60 CP 6

GEDORE Tools, Inc.

ADJUSTABLE WRENCH OPEN END

1

81902

81902

Xcelite

SET WR COMB MET 15PC

0

VDE 894 12

VDE 894 12

GEDORE Tools, Inc.

VDE SINGLE OPEN ENDED SPANNER

5

W-3261

W-3261

Ampco Safety Tools

WRENCH DBL BOX 1-1/4X1-5/16"

1

W-673A

W-673A

Ampco Safety Tools

WRENCH COMBINATION 1-3/16"

1

85200

85200

Xcelite

SET WR RAT QUADBOX SAE 13PC

0

89110

89110

Xcelite

WR RAT FLX FLR NUT 3/8X7/16

0

81733

81733

Xcelite

WR LNG PAT COMB 1-1/16

0

68245

68245

Klein Tools

WRENCH WRENCH SET 1/4" - 7/8"

3

W-3260

W-3260

Ampco Safety Tools

WRENCH DBL BOX 1-1/8X1-5/16"

1

30406

30406

Wiha

COMBINATION WRENCH 6MM

99

9575

9575

Xcelite

WR RAT COMB STBY FLEX 5/8

0

68421

68421

Klein Tools

WRENCH COMBINATION 15/16" 12.5"

1

D86936

D86936

Klein Tools

SLIM JAW ADJUSTABLE WRENCH, 8"

5

85271

85271

Xcelite

WR RAT X-BEAM FLEX COMB 11/32

0

0804

0804

Ampco Safety Tools

WRENCH DBL BOX ST 9X11MM

1

7091900

7091900

GEDORE Tools, Inc.

TORQUE WRENCH TSN-SLIPPER 1/4",

3

WO-11/16X3/4

WO-11/16X3/4

Ampco Safety Tools

WRENCH DBL OPEN 11/16X3/4"

1

68222

68222

Klein Tools

WRENCH SET 1/4" - 7/8" ASSORTED

10

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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