Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
WILLIAMS QYO40A Open End Torque Wrench Head, SAE, Y-Shank, 1-1/4" - Open End Torque Wrench Heads
WILLIAMSOpen End Torque Wrench Heads

WILLIAMS QYO40A Open End Torque Wrench Head, SAE, Y-Shank, 1-1/4"

The WILLIAMS Williams Interchangable Torque Wrench Open End Heads are open end torque wrench heads from WILLIAMS, designed for SAE applications with a Y-Shank configuration. This model, MPN QYO40A, features a 1-1/4…

SKU 3G-OTH-294463

Brand
WILLIAMS
Item
QYO40A Open End Torque Wrench Head, SAE, Y-Shank, 1-1/4"
Part Number
QYO40A
Category
Open End Torque Wrench Heads
Available to Order
Also known as:QYO40AWILLIAMS
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

WILLIAMS
Manufacturer Part Number
QYO40A
Type
- SAE - Y-Shank - 1-1/4"

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The WILLIAMS Williams Interchangable Torque Wrench Open End Heads are open end torque wrench heads from WILLIAMS, designed for SAE applications with a Y-Shank configuration. This model, MPN QYO40A, features a 1-1/4 in size. These heads are intended for use with compatible torque wrench handles.

Frequently Asked Questions

What is the WILLIAMS QYO40A torque wrench head used for?

The WILLIAMS QYO40A is an interchangeable open end torque wrench head used for applying precise torque to fasteners in SAE applications. It is commonly used in automotive, industrial, and maintenance settings where a Y-shank configuration is required for access in tight spaces.

What are the specifications of the WILLIAMS QYO40A torque wrench head?

The WILLIAMS QYO40A is an open end torque wrench head with a 1-1/4 in size, designed for SAE fasteners. It features a Y-shank configuration and is compatible with WILLIAMS torque wrench handles. The manufacturer part number is QYO40A, and it is made by WILLIAMS.

Where to buy the WILLIAMS QYO40A torque wrench head worldwide?

You can source the WILLIAMS QYO40A torque wrench head through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this WILLIAMS product.

How to select the correct WILLIAMS torque wrench head for SAE applications?

To select the correct WILLIAMS torque wrench head, match the head size to your fastener's SAE dimension. The QYO40A fits 1-1/4 in fasteners and uses a Y-shank for compatibility with WILLIAMS handles. Ensure the drive configuration matches your torque wrench to avoid damage or inaccurate torque application.

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.
Not sure this is the right part? Photo-identify it→

WILLIAMS Products

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from WILLIAMS

View all WILLIAMS parts →
Interchangeable open end thin head for SAE J Shank torque wrenches. The 11/16 in size allows access to fasteners in confined spaces where a standard head cannot fit. Suitable for applying precise torque in maintenance, assembly, and repair tasks
WILLIAMS
Interchangeable open end thin head for SAE J Shank torque wrenches. The 11/16 in size allows access to fasteners in confined spaces where a standard head cannot fit. Suitable for applying precise torque in maintenance, assembly, and repair tasks

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first