Wrenches

Image Part Number Description / PDF Quantity Rfq
68415

68415

Klein Tools

WRENCH COMBINATION 9/16" 7.5"

6

2297264

2297264

GEDORE Tools, Inc.

COMBINATION RATCHET SPANNER, REV

5

W-661

W-661

Ampco Safety Tools

WRENCH COMBINATION 3/4"

1

89106

89106

Xcelite

WR RAT FLX FLR NUT 16X18MM

0

85016

85016

Xcelite

WR RAT XL COMB 16MM

0

20194

20194

Wiha

WRENCH SET 1/4" - 1"

1

KT152T

KT152T

Klein Tools

WRENCH BOXEND RATCHET ASSORTED

2

21219

21219

Wiha

WRENCH BOX END 19MM 8.27"

0

32970

32970

Wiha

WRENCH PIPE 1.5" 12.60"

0

21030

21030

Wiha

WRENCH BOX END 30MM 12.24"

0

2297205

2297205

GEDORE Tools, Inc.

COMBINATION RATCHET SPANNER 24 M

2

81762

81762

Xcelite

WR FP COMB 6PT 14MM

0

81915

81915

Xcelite

SET WR FLEX FLR NUT MET 3PC

0

85710

85710

Xcelite

WR RAT LCK FLEX XL 5/16"

0

30301

30301

Wiha

COMBINATION RATCHET WRENCH 20MM

5

81891

81891

Xcelite

WR ADJ CUSH GRIP 8

0

21066

21066

Wiha

WRENCH BOX END 11/16"

0

W-72

W-72

Ampco Safety Tools

WRENCH ADJUSTABLE 10" OAL

1

30019

30019

Wiha

WRENCH COMBINATION 19MM

0

6006330101

6006330101

Würth Elektronik Midcom

WR-TOOL TORQUE WRENCH FOR WR-SMA

8

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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