Wrenches

Image Part Number Description / PDF Quantity Rfq
25 PK 24

25 PK 24

GEDORE Tools, Inc.

DOUBLE ENDED SOCKET WRENCH 24 MM

0

6 1.3/8X1.1/2AF

6 1.3/8X1.1/2AF

GEDORE Tools, Inc.

DOUBLE OPEN ENDED SPANNER

0

25 PK 22

25 PK 22

GEDORE Tools, Inc.

DOUBLE ENDED SOCKET WRENCH 22 MM

0

8-0100

8-0100

GEDORE Tools, Inc.

DOUBLE ENDED MIDGET SPANNER SET

0

2 36X41

2 36X41

GEDORE Tools, Inc.

DBL ENDED RING SPANNER OFFSET

0

VDE 2 E 32

VDE 2 E 32

GEDORE Tools, Inc.

VDE SINGLE ENDED RING SPANNER

0

400 36X41

400 36X41

GEDORE Tools, Inc.

FLARE NUT SPANNER OPEN UD

0

2-8

2-8

GEDORE Tools, Inc.

DBL ENDED RING SPANNER OFFSET

0

760-55

760-55

GEDORE Tools, Inc.

BREAKING TORQUE HANDLE TBN 9X12

0

6 14X15

6 14X15

GEDORE Tools, Inc.

DOUBLE OPEN ENDED SPANNER

0

2 17X19

2 17X19

GEDORE Tools, Inc.

DBL ENDED RING SPANNER OFFSET

0

400 19X22

400 19X22

GEDORE Tools, Inc.

FLARE NUT SPANNER OPEN UD

0

1500 CT2-7

1500 CT2-7

GEDORE Tools, Inc.

COMBINATION SPANNER SET IN 2/3 C

0

25 PK 27

25 PK 27

GEDORE Tools, Inc.

DOUBLE ENDED SOCKET WRENCH 27 MM

0

2 A 36

2 A 36

GEDORE Tools, Inc.

SINGLE ENDED RING SPANNER OFFSET

0

136 BM

136 BM

GEDORE Tools, Inc.

WIDE JAW GRIP WRENCH 200X80 MM

0

2 B 8X9

2 B 8X9

GEDORE Tools, Inc.

DOUBLE ENDED RING SPANNER SHORT

0

4440-01

4440-01

GEDORE Tools, Inc.

TORQUE WRENCH TORCOFIX Z 16 80-4

0

41 30

41 30

GEDORE Tools, Inc.

REVERSIBLE LEVER CHANGE RATCHET

0

894 55

894 55

GEDORE Tools, Inc.

SINGLE OPEN ENDED SPANNER 55 MM

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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