Wrenches

Image Part Number Description / PDF Quantity Rfq
WO-14X17

WO-14X17

Ampco Safety Tools

WRENCH DBL OPEN 14X17MM

1

32971

32971

Wiha

WRENCH PIPE 2.1" 16.38"

0

30490

30490

Wiha

COMBINATION METRIC WRENCHES 7 PC

4

KT223X4-INS

KT223X4-INS

Klein Tools

WRENCH BOXEND RATCHET ASSORT 9"

1

86406

86406

Xcelite

WR RAT COMB 120XP 6MM

0

86136

86136

Xcelite

WR RAT XL DBL BOX FLEX 120XP 11/

0

227 8

227 8

GEDORE Tools, Inc.

PIPE WRENCH 8"

2

W-73

W-73

Ampco Safety Tools

WRENCH ADJUSTABLE 12" OAL

1

20136

20136

Wiha

WRENCH OPEN END 7/16" 4.61"

24

21187-0516

21187-0516

Aven

WRENCH COMBINATION 5/16" 5.13"

5120

2297361

2297361

GEDORE Tools, Inc.

COMBINATION RATCHET SPANNER, REV

5

86024

86024

Xcelite

WR RAT XL DBL BOX FLEX 72T 24MM

0

30488

30488

Wiha

COMBO WRENCH 23PC SET 6-30MM

4

85198

85198

Xcelite

SET WR RAT XL SAE 8PC

0

2219433

2219433

GEDORE Tools, Inc.

COMBINATION RATCHET SPANNER 21 M

6

0816

0816

Ampco Safety Tools

WRENCH DBL BOX ST 19X22MM

1

86451

86451

Xcelite

SET WR RAT COMB 120XP SAE 16PC

0

86209

86209

Xcelite

WR RAT COMB FLEX 120XP 9MM

0

227 18

227 18

GEDORE Tools, Inc.

PIPE WRENCH 18"

2

85311

85311

Xcelite

11MM X-BEAM REV COMB RATCH WR

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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