Wrenches

Image Part Number Description / PDF Quantity Rfq
CCW24

CCW24

Xcelite

13MM COMBINATION WRENCH,MTRC,FL

0

81643

81643

Xcelite

WR COMB STBY 19MM

0

81694

81694

Xcelite

WR FLR NUT FLEX 3/8X7/16

0

CCW30

CCW30

Xcelite

19MM COMBINATION WRENCH,MTRC,FL

0

9601RN

9601RN

Xcelite

SET WR RAT COMB REV MET 10PC ROL

0

AC224BK

AC224BK

Xcelite

WRENCH,CHROME,ADJ,TAPERED HANDLE

0

CCW18

CCW18

Xcelite

7MM COMBINATION WRENCH,METRIC,FL

0

9521ND

9521ND

Xcelite

WR RAT COMB REV 11/32

0

81648

81648

Xcelite

WR FLR NUT 16X18MM

0

81683

81683

Xcelite

WR FLR NUT 5/8X11/16

0

89127

89127

Xcelite

WR RAT CRFT 3/8DR 13/16

0

26-034

26-034

Xcelite

WR OE 5/16X3/8 FP

0

9532N

9532N

Xcelite

WR RAT COMB REV 3/4

0

81687

81687

Xcelite

WR FLR NUT FLEX 10X12MM

0

81657

81657

Xcelite

WR COMB LNG PAT 9/16

0

81672

81672

Xcelite

WR COMB LNG PAT 15MM

0

9918

9918

Xcelite

WR RAT COMB FLEX 18MM

0

85197R

85197R

Xcelite

SET WR GEAR XL ROLL SAE 7PC

0

81604

81604

Xcelite

WR CRFT 7/16

0

85126

85126

Xcelite

WR RAT XL COMB 13/16

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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