Wrenches

Image Part Number Description / PDF Quantity Rfq
85813

85813

Xcelite

WR RAT COMB XL X-BEAM 13MM

0

85498

85498

Xcelite

WR COMB INDEX SAE 8PC

0

81820

81820

Xcelite

WR COMB LNG 12PT 1-3/4 SATIN

0

M-41M

M-41M

Ampco Safety Tools

KIT COMBINATION WRENCH 7PC MM

1

D507-10

D507-10

Klein Tools

WRENCH ADJUSTABLE 1-5/16" 10.25"

6

81910

81910

Xcelite

SET WR FLEX FLR NUT SAE 5PC

0

86450

86450

Xcelite

SET WR RAT COMB 120XP SAE 11PC

0

86235

86235

Xcelite

WR RAT COMB FLEX 120XP 11/32"

0

21094

21094

Wiha

WRENCH SET BOX END 1/4" - 1-1/4"

2

85988

85988

Xcelite

SET WR RAT XL GEARBOX MET 12PC

0

9552

9552

Xcelite

WR RAT COMB STBY FLEX 11MM

0

20017

20017

Wiha

WRENCH OPEN END 17MM 6.38"

0

30428

30428

Wiha

COMBINATION WRENCH 28MM

3

W-673

W-673

Ampco Safety Tools

WRENCH COMBINATION 1-1/8"

1

21290

21290

Wiha

WRENCH SET BOX END 8MM-19MM

2

86215

86215

Xcelite

WR RAT COMB FLEX 120XP 15MM

0

30493

30493

Wiha

COMBINATION INCH WRENCHES 7 PC.

4

0866

0866

Ampco Safety Tools

WRENCH DBL BOX ST 7/16X9/16"

1

68500

68500

Klein Tools

WRENCH SET 7MM - 15MM ASSORTED

89

85263

85263

Xcelite

WR RAT X-BEAM FLEX COMB 13MM

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