JW WINCONonlocking Pull-Knob Indexing Plungers with Jam Nut

JW WINCO Indexing Plunger: Nonlocking, 316 SS, M20x1.5 Thread

The JW WINCO Indexing Plunger is a nonlocking pull-knob indexing plunger with jam nut, constructed from 316 stainless steel. It features an M20x1.5 thread and a nose force range of 9 N to 32 N (MPN…

SKU 3G-OTH-181921

Also listed as: 8181215M20X15BKNA4 · 818 12 15 M20X1 5 BKN A4 · 818-12-15-M20X1-5-BKN-A4

Brand

JW WINCO

Item

Indexing Plunger: Nonlocking, 316 SS, M20x1.5 Thread

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JW WINCO

Manufacturer Part Number

818-12-15-M20X1.5-BKN-A4 

Type

M20x1.5 Thread 

316

Nose Force

9 N to 32 N 

Technical Documents

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is a JW WINCO indexing plunger used for?

A JW WINCO indexing plunger is used for precise positioning and locking of moving parts in industrial machinery, such as jigs, fixtures, and conveyor systems. The nonlocking pull-knob design allows quick retraction and engagement, making it ideal for tool changeovers and adjustable stops in manufacturing and automation applications.

What are the specifications of the JW WINCO 818-12-15-M20X1.5-BKN-A4 indexing plunger?

This JW WINCO indexing plunger is a nonlocking pull-knob type with a 316 stainless steel body and M20x1.5 thread. It provides a nose force range of 9 N to 32 N. The manufacturer part number is 818-12-15-M20X1.5-BKN-A4, and it includes a jam nut for secure installation.

Where to buy JW WINCO indexing plungers worldwide?

You can source JW WINCO indexing plungers worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the 818-12-15-M20X1.5-BKN-A4 or other JW WINCO models.

How to install a JW WINCO nonlocking indexing plunger?

To install a JW WINCO nonlocking indexing plunger, drill and tap a hole matching the M20x1.5 thread. Insert the plunger through the mounting surface, then secure it with the provided jam nut. Tighten the nut to prevent rotation. Ensure the plunger retracts and engages freely without binding. Always follow generic industrial safety practices.

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 nonlocking pull-knob indexing plungers with jam nut. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all JW WINCO products →Contact our engineers →