Wrenches

Image Part Number Description / PDF Quantity Rfq
27-591G

27-591G

Xcelite

WR RAT BX 12PT 3/8X7/16

0

81633

81633

Xcelite

WR COMB STBY 15/16

0

81671

81671

Xcelite

WR COMB LNG PAT 14MM

0

81666

81666

Xcelite

WR COMB LNG PAT 9M

0

9506D

9506D

Xcelite

WR RAT COMB STBY 3/4

0

27-604G

27-604G

Xcelite

WR RAT BX 12PT 1-1/8 X 1-4

0

86021

86021

Xcelite

WR RAT XL DBL BOX FLEX 72T 21MM

0

9221

9221

Xcelite

WR RAT DBL BX E10XE12

0

CCW28

CCW28

Xcelite

17MM COMBINATION WRENCH,MTRC,FL

0

85516

85516

Xcelite

WR RAT OPEN END 16MM

0

85446

85446

Xcelite

WR COMB INDEX 16MM

0

86108

86108

Xcelite

WR RAT XL DBL BOX FLEX 120XP 8MM

0

CCW16

CCW16

Xcelite

1-1/4" COMBINATION WRENCH,SAE,FL

0

85618

85618

Xcelite

WR RAT LCK FLEX XL 18MM

0

9501DD

9501DD

Xcelite

WR RAT COMB STBY 7/16

0

9213

9213

Xcelite

WR RAT DBL BX 14MMX15MM

0

81697

81697

Xcelite

WR FLR NUT FLEX 3/4X7/8

0

81646

81646

Xcelite

WR FLR NUT 13X14MM

0

AC212VS

AC212VS

Xcelite

ADJUSTABLE WRENCH,12",CHROME,CAR

0

9855D

9855D

Xcelite

WR RAT HLF MOON 19X22MM

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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