Wrenches

Image Part Number Description / PDF Quantity Rfq
9530ND

9530ND

Xcelite

WR RAT COMB REV 5/8

0

9617N

9617N

Xcelite

WR RAT COMB REV 17MM

0

AT26BK

AT26BK

Xcelite

WRENCH,BLACK,ADJ,6"

0

86217

86217

Xcelite

WR RAT COMB FLEX 120XP 17MM

0

9116D

9116D

Xcelite

WR RAT COMB 16MM

0

9026D

9026D

Xcelite

WR RAT COMB 13/16

0

9909D

9909D

Xcelite

WR RAT COMB FLEX 9MM

0

85399

85399

Xcelite

SET WR RAT REV S SAE 4PC

0

85318

85318

Xcelite

18MM X-BEAM REV COMB RATCH WR

0

9038D

9038D

Xcelite

WR RAT COMB 1-1/4

0

CCW9

CCW9

Xcelite

3/4" COMBINATION WRENCH,SAE,FL,P

0

89111

89111

Xcelite

WR RAT FLX FLR NUT 1/2X9/16

0

9916D

9916D

Xcelite

WR RAT COMB FLEX 16MM

0

9715D

9715D

Xcelite

WR RAT COMB FLEX 15/16

0

81759

81759

Xcelite

WR FP COMB 6PT 11MM

0

81641

81641

Xcelite

WR COMB STBY 17MM

0

9919D

9919D

Xcelite

WR RAT COMB FLEX 19MM

0

81692

81692

Xcelite

WR FLR NUT FLEX 19X21MM

0

CCW12

CCW12

Xcelite

15/16" COMBINATION WRENCH,SAE,FL

0

9504D

9504D

Xcelite

WR RAT COMB STBY 5/8

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)

RFQ BOM Call Skype Email
Top