Screw and Nut Drivers

Screw and Nut Drivers - Sets

Part Number	Description / PDF	Quantity
92189 Wiha	SCREWDR SET ASSORTD W/STAND 50PC	2
77783 Wiha	DOUBLE END SECURITY BIT RELOAD 1	4
70486 Wiha	NUT SETTERS SET MAG 6PC	8
79248 Wiha	BIT SET ASSORTED W/CASE 12PC	0
77892 Wiha	CONDUIT REAMER MULTI-DRIVER	0
66996 Wiha	HEX KEY SET 9PC	78
36527 Wiha	TORXPLUS KEY WING HANDLE IP7	0
75097 Wiha	BIT SET ASSORTED W/HOLDER 16PC	5
32084 Wiha	INSULATED SLOTTED & PHILLIPS 5 P	6
28194 Wiha	BLADE SET ASSORTED W/CASE 5PC	3
77797 Wiha	ULTRA DRIVER 26INONE MULTI TOOL	5
36294 Wiha	SCREWDRIVER SET TORX 8PC	10
71991 Wiha	BIT SET ASSORTED W/CASE 39PC	31
79491 Wiha	BIT SET ASSORTED W/CASE 17PC	1
32095 Wiha	SCREWDRIVER SET ASST W/TRAY 19PC	4
30295 Wiha	SCREWDRIVER SET PHIL/SLOT 5PC	7
71095 Wiha	BIT SET HEX PHILLIPS W/CASE 51PC	7
31193 Wiha	SCREWDRIVER SET PHILLIP SLOT 2PC	0
79495 Wiha	BIT SET ASSORTED W/HOLDER 32PC	0
28199 Wiha	BLADE SET ASSORTED W/POUCH 10PC	8

Screw and Nut Drivers - Sets

1. Overview

Screw and Nut Drivers - Sets are multi-component toolkits designed for fastening or loosening screws, nuts, and bolts. These systems combine ergonomic design, mechanical precision, and material durability to deliver efficient torque transfer in industrial, automotive, and maintenance applications. Their importance in modern technology stems from their role in assembly lines, equipment maintenance, and precision engineering, where reliability and repeatability are critical.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Manual Screwdriver Sets	Fixed or adjustable torque, interchangeable bits	Electronics assembly, HVAC maintenance
Electric Screwdrivers	Variable speed control, clutch mechanisms	Automotive production lines, furniture manufacturing
Pneumatic Nutrunners	High torque output, durable for continuous use	Aerospace fastening, heavy machinery assembly
Socket Wrench Sets	Multiple socket sizes, ratchet mechanisms	Automotive repair, pipeline maintenance
Torque Screwdrivers	Precise torque adjustment with audible feedback	Semiconductor packaging, medical device assembly

3. Structure and Components

Typical construction includes:

Handle: Ergonomic polymer or composite material for grip and shock absorption
Shaft: Heat-treated chrome-vanadium steel for torsion resistance
Drive Mechanism: Quick-release couplings (1/4", 3/8", 1/2" standards) or magnetic bit holders
Interchangeable Heads: S2 steel alloy bits with coatings (e.g., black oxide for corrosion resistance)
Torque System: Adjustable clutch rings or digital torque control modules

4. Key Technical Specifications

Parameter	Typical Range	Importance
Torque Range	0.5 150 N m	Determines fastening strength and material compatibility
Drive Size	1/4", 3/8", 1/2"	Affects tool versatility and fastener compatibility
Hardness	55 62 HRC	Impacts wear resistance and tool longevity
Speed	0 3000 RPM	Influences productivity in repetitive tasks
Insulation Rating	1000 V CAT III	Critical for electrical safety compliance

5. Application Fields

Automotive: Engine assembly, wheel hub fastening
Electronics: PCB component installation
Aerospace: Composite material fastening systems
Construction: Steel framework connections
Medical: Surgical instrument sterilization tray assembly

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
Wiha	Precision VDE Screwdriver Set	Insulated handles, 1000V safety rating
Ingersoll Rand	QX Series Pneumatic Nutrunner	3% torque accuracy, composite housing
Stanley Proto	Jumbo Socket Wrench Set	25-pc, 1/2" drive, chrome-molybdenum alloy
Matsumoto	MPZ Digital Torque Driver	Bluetooth data logging, 1% repeatability

7. Selection Recommendations

Match torque requirements to application (e.g., 5 10 N m for plastics)
Verify fastener compatibility (e.g., Torx, Hex, Pozidriv)
Evaluate ergonomics for repetitive tasks (e.g., soft-grip handles)
Consider environmental factors (e.g., anti-spark materials for explosive atmospheres)
Balance investment cost with expected usage cycles

8. Industry Trends

Key developments include:

Integration with IoT-enabled torque monitoring systems
Adoption of brushless motor technology for cordless tools
Growing demand for lightweight carbon-fiber reinforced handles
Expansion of modular systems with over 100 interchangeable bits
Implementation of AI-assisted torque optimization algorithms