Wrenches

Image Part Number Description / PDF Quantity Rfq
7-026

7-026

GEDORE Tools, Inc.

COMBINATION SPANNER SET

0

4100-01

4100-01

GEDORE Tools, Inc.

TORQUE WRENCH TORCOFIX SE 9X12 2

0

VDE 2 E 9

VDE 2 E 9

GEDORE Tools, Inc.

VDE SINGLE ENDED RING SPANNER

0

2 6X7

2 6X7

GEDORE Tools, Inc.

DBL ENDED RING SPANNER OFFSET

0

137 10-20

137 10-20

GEDORE Tools, Inc.

GRIP WRENCH 20 MM

0

8586-01

8586-01

GEDORE Tools, Inc.

TORQUE WRENCH DREMOMETER EKL 1"

0

31 K 35

31 K 35

GEDORE Tools, Inc.

FRICTION RATCHET HANDLE WITHOUT

0

534 14

534 14

GEDORE Tools, Inc.

COMBINATION SWIVEL HEAD WRENCH

0

1 B-026

1 B-026

GEDORE Tools, Inc.

COMBINATION SPANNER SET 26 PCS

0

2 27X32

2 27X32

GEDORE Tools, Inc.

DBL ENDED RING SPANNER OFFSET

0

8561-001

8561-001

GEDORE Tools, Inc.

TORQUE WRENCH DREMOMETER BR 1/2"

0

137 11

137 11

GEDORE Tools, Inc.

GRIP WRENCH 11"

0

895 22X27

895 22X27

GEDORE Tools, Inc.

DOUBLE OPEN ENDED SPANNER

0

2 13X17

2 13X17

GEDORE Tools, Inc.

DBL ENDED RING SPANNER OFFSET

0

7 24

7 24

GEDORE Tools, Inc.

COMBINATION SPANNER 24 MM

0

9100 2K 1.1/2

9100 2K 1.1/2

GEDORE Tools, Inc.

PIPE WRENCH 2C 1.1/2"

0

753-11

753-11

GEDORE Tools, Inc.

TORQUE WRENCH DREMOMETER MINI 1/

0

1 B 1.1/4AF

1 B 1.1/4AF

GEDORE Tools, Inc.

COMBINATION SPANNER 1.1/4"

0

7 7/8AF

7 7/8AF

GEDORE Tools, Inc.

COMBINATION SPANNER 7/8"

0

2 13X14

2 13X14

GEDORE Tools, Inc.

DBL ENDED RING SPANNER OFFSET

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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