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JW WINCO Cast Iron Hand Knobs: 7 Point, Cast Iron, 1/4"-20 Thread, 0.47 in Thread Lg - 7-Arm Knobs with Threaded Hole
JW WINCO7-Arm Knobs with Threaded Hole

JW WINCO Cast Iron Hand Knobs: 7 Point, Cast Iron, 1/4"-20 Thread, 0.47 in Thread Lg

The JW WINCO Cast Iron Hand Knob is a 7-arm knob with a threaded hole, featuring a 1.26 in diameter, 1/4"-20 thread, and 0.47 in thread length. Made from cast iron, this 7-point knob (MPN 3TC77/E) provides a manual…

SKU 3G-OTH-524840

Brand
JW WINCO
Item
Cast Iron Hand Knobs: 7 Point, Cast Iron, 1/4"-20 Thread, 0.47 in Thread Lg
Category
7-Arm Knobs with Threaded Hole
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Technical Specifications

JW WINCO
Manufacturer Part Number
3TC77/E
Type
Cast Iron
Dia
1.26 in
Thread
1/4"-20
Thread Lg
0.47 in
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JW WINCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JW WINCO Cast Iron Hand Knob is a 7-arm knob with a threaded hole, featuring a 1.26 in diameter, 1/4"-20 thread, and 0.47 in thread length. Made from cast iron, this 7-point knob (MPN 3TC77/E) provides a manual grip interface for industrial equipment adjustments.

Frequently Asked Questions

What is a JW WINCO cast iron hand knob used for?

A JW WINCO cast iron hand knob provides a manual grip interface for adjusting industrial equipment. Its 7-arm design and 1/4"-20 threaded hole allow secure hand-tightening on machinery, fixtures, or jigs where tool-free adjustments are needed.

What are the specifications of the JW WINCO 3TC77/E hand knob?

The JW WINCO 3TC77/E is a 7-point cast iron hand knob with a 1.26 in diameter, 1/4"-20 thread, and 0.47 in thread length. It is made from cast iron and features a threaded hole for mounting on studs or bolts.

Where to buy JW WINCO hand knobs worldwide?

3G Electric supplies JW WINCO cast iron hand knobs worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the 3TC77/E or other JW WINCO parts.

How to install a JW WINCO cast iron hand knob?

To install a JW WINCO cast iron hand knob, thread it onto a matching 1/4"-20 stud or bolt until hand-tight. Avoid over-torquing to prevent damage to the cast iron. For permanent applications, use a thread-locking compound. Always verify thread compatibility before installation.

Used in

Common applications for JW WINCO
Machinery assembly — JW WINCO self-locking bearing locknuts (e.g., 1804.1-M50X1.5) for securing bearings on shafts in gearboxes and conveyors.
Fixture building — JW WINCO horizontal U-latch toggle clamps (e.g., 851.3-700-T6) for quick clamping in welding jigs and assembly fixtures.
Material handling — JW WINCO quick-release hoist rings (e.g., 1135-M12-17-ST) for lifting heavy components in manufacturing cells.
Shaft positioning — JW WINCO one-piece shaft collars (e.g., 5WG46/A) for retaining bearings or acting as stops on linear motion systems.
Linkage systems — JW WINCO stainless steel clevis rod ends (e.g., 8NXBIS) for connecting pneumatic cylinders or actuators in automated equipment.
Clamping arm extension — JW WINCO rigid clamping arm extenders (e.g., 801.1-85-16-ST) for increasing reach on toggle clamps in custom fixtures.

JW WINCO Products

3G Electric supplies JW WINCO 7-arm knobs with threaded hole. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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