Wrenches

Image Part Number Description / PDF Quantity Rfq
AC210VS

AC210VS

Xcelite

WRENCH ADJUSTABLE 1-3/10" 10"

0

86428

86428

Xcelite

SET WR RAT COMB 120XP MET 4PC

0

81831

81831

Xcelite

WR COMB LNG 12PT 2-5/8 SATIN

0

81921

81921

Xcelite

SET WR COMB LRG ADD-ON SAE 5PC

0

81809

81809

Xcelite

WR COMB 12PT LNG 29MM FULL POLIS

0

85262

85262

Xcelite

WR RAT X-BEAM FLEX COMB 12MM

0

81830

81830

Xcelite

WR COMB LNG 12PT 2-9/16 SATIN

0

81840

81840

Xcelite

WR COMB 12PT LNG 36MM SATIN

0

85261

85261

Xcelite

WR RAT X-BEAM FLEX COMB 11MM

0

89107

89107

Xcelite

WR RAT FLX FLR NUT 19X21MM

0

81845

81845

Xcelite

WR COMB LNG 12PT 60MM SATIN

0

85720

85720

Xcelite

WR RAT LCK FLEX XL 5/8"

0

81815

81815

Xcelite

WR COMB LNG 12PT 1-3/16 FULL POL

0

86420

86420

Xcelite

WR RAT COMB 120XP 20MM

0

85858

85858

Xcelite

WR RAT COMB XL X-BEAM 9/16

0

85221

85221

Xcelite

HVAC 1/4X3/16 & 9/16X1/2

0

86414

86414

Xcelite

WR RAT COMB 120XP 14MM

0

85265

85265

Xcelite

WR RAT X-BEAM FLEX COMB 15MM

0

86445

86445

Xcelite

WR RAT COMB 120XP 1"

0

86452

86452

Xcelite

SET WR RAT COMB 120XP SAE 7PC

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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