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WILLIAMS 401SMW Preset Torque Screwdriver - Preset Torque Screwdrivers
WILLIAMSPreset Torque Screwdrivers

WILLIAMS 401SMW Preset Torque Screwdriver

The WILLIAMS 401SMW is a preset torque screwdriver with a 1/4 in tip size, featuring a micro adjustable design and an adjusting knob. It offers a minimum torque of 5 in-lb, making it suitable for precise fastening…

SKU 3G-OTH-313377

Also listed as: 401 SMW · 401-SMW

Brand
WILLIAMS
Item
401SMW Preset Torque Screwdriver
Part Number
401SMW
Category
Preset Torque Screwdrivers
Available to Order
Also known as:401SMWWILLIAMS
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Technical Specifications

WILLIAMS
Manufacturer Part Number
401SMW
Type
5 in-lb Min Torque, Adjusting Knob

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WILLIAMS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WILLIAMS 401SMW is a preset torque screwdriver with a 1/4 in tip size, featuring a micro adjustable design and an adjusting knob. It offers a minimum torque of 5 in-lb, making it suitable for precise fastening applications.

Frequently Asked Questions

What is the WILLIAMS 401SMW micro adjustable torque screwdriver used for?

The WILLIAMS 401SMW is used for precise fastening applications requiring controlled torque, such as electronics assembly, instrumentation, and light mechanical work. Its micro adjustable design with an adjusting knob allows fine torque settings down to 5 in-lb, ensuring consistent screw tightening without over-torquing.

What are the specifications of the WILLIAMS 401SMW torque screwdriver?

The WILLIAMS 401SMW has a 1/4 in tip size, a minimum torque of 5 in-lb, and a micro adjustable adjusting knob. It is a preset torque screwdriver manufactured by WILLIAMS under part number 401SMW. The tool is designed for repeatable, accurate torque application in controlled fastening tasks.

Where to buy the WILLIAMS 401SMW torque screwdriver worldwide?

3G Electric supplies the WILLIAMS 401SMW torque screwdriver to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this precision tool.

How to select the correct torque setting on the WILLIAMS 401SMW?

To select the correct torque setting on the WILLIAMS 401SMW, turn the adjusting knob to the desired torque value within its 5 in-lb minimum range. Always verify the setting with a torque tester before use. Refer to the application's torque specification to avoid under- or over-tightening.

Used in

Common applications for WILLIAMS
Automotive assembly — Williams square ratcheting torque wrench heads (QYSD16A, QZSD24A) for tightening engine and chassis fasteners to specified torque.
Industrial maintenance — Williams interchangeable torque wrench system with 1/2 in and 3/4 in drive heads for pump and compressor flange bolts.
Aerospace fastening — Williams preset torque screwdrivers (61SPW) for avionics and instrument panel assembly where low torque is critical.
Electronics manufacturing — Williams 61SPW preset torque screwdriver for securing small screws in circuit board enclosures and connectors.
Heavy equipment repair — Williams 3/4 in drive ratcheting torque wrench heads (QZSD24ADP) for track and undercarriage bolts on construction machinery.
Field service kits — Williams 3/8 in drive torque wrench heads (QYSD12A, QJSD12A) paired with a single handle for on-site maintenance of industrial valves and fittings.
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WILLIAMS Products

3G Electric supplies WILLIAMS preset torque screwdrivers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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