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
INNOVATIVE COMPONENTS Ball Knob with Threaded Hole, 1.38 in Dia, 1/4"-20 Thread - Ball Knobs with Threaded Hole
INNOVATIVE COMPONENTSBall Knobs with Threaded Hole

INNOVATIVE COMPONENTS Ball Knob with Threaded Hole, 1.38 in Dia, 1/4"-20 Thread

The INNOVATIVE COMPONENTS Hand Knob: Ball is a ball knob with a threaded hole, featuring a 1.38 in diameter, plastic construction with a steel thread, and a 1/4"-20 thread size (MPN GN4C----B3---21). 3G Electric…

SKU 3G-OTH-523948

Also listed as: GN4CB321 · GN4C B3 21 · GN4C-B3-21

Brand
INNOVATIVE COMPONENTS
Item
Ball Knob with Threaded Hole, 1.38 in Dia, 1/4"-20 Thread
Part Number
GN4C----B3---21
Category
Ball Knobs with Threaded Hole
Available to Order
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

INNOVATIVE COMPONENTS
Manufacturer Part Number
GN4C----B3---21
Type
Plastic w/ Steel Thread
Dia
1.38 in
Thread
1/4"-20

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

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

Product Description

The INNOVATIVE COMPONENTS Hand Knob: Ball is a ball knob with a threaded hole, featuring a 1.38 in diameter, plastic construction with a steel thread, and a 1/4"-20 thread size (MPN GN4C----B3---21). 3G Electric interprets your demand for this OEM-specified component, sourcing it across our 14 industrial departments and backing it with specialist expertise in controls and related categories.

Frequently Asked Questions

What is the INNOVATIVE COMPONENTS GN4C----B3---21 hand knob used for?

This ball knob with a threaded hole is used for manual adjustment, clamping, or positioning on machinery and equipment. Its 1.38 in diameter and 1/4"-20 steel thread provide a durable grip for operators in industrial settings.

What are the specifications of the INNOVATIVE COMPONENTS ball knob?

The INNOVATIVE COMPONENTS hand knob has a 1.38 in diameter, plastic body with a steel thread, and a 1/4"-20 thread size. The manufacturer part number is GN4C----B3---21. It is a ball-type knob with a threaded hole for mounting.

Where to buy INNOVATIVE COMPONENTS GN4C----B3---21 worldwide?

3G Electric supplies this INNOVATIVE COMPONENTS hand knob worldwide. We handle full logistics and customs clearance to deliver this OEM-specified component to your facility, backed by our expertise across 14 industrial departments.

How to install the INNOVATIVE COMPONENTS ball knob?

Install by threading the 1/4"-20 steel insert onto a matching male stud or bolt. Tighten by hand until secure; avoid over-torquing to prevent damage to the plastic body. Ensure the mating thread is clean for proper engagement.

Used in

Common applications for INNOVATIVE COMPONENTS
Jig and fixture building — Innovative Components weld-mount indexing plungers (e.g., GI3/8-1.5LOB-B3) for secure positioning and locking.
Workholding — Nonlocking ball-knob indexing plungers (e.g., GI1/2S1.5-B--B3) for manual retraction and spring-loaded engagement.
Material handling equipment — Weld-mount spring plungers (e.g., GI5/16-1.5-B-B3) for indexing and positioning on steel structures.
Industrial machinery adjustment — Snap-lock 8-arm knobs (e.g., GN4C----F6-L-21) for manual clamping and fastening with 1/4"-20 thread.
Fixture design — Locking and nonlocking indexing plungers with various plunger widths (0.313 in to 0.5 in) for custom workholding solutions.
Equipment maintenance — Replacement hand knobs and indexing plungers for existing fixtures and machines, available from 3G Electric's stocked SKUs.
Not sure this is the right part? Photo-identify it→

INNOVATIVE COMPONENTS Products

3G Electric supplies INNOVATIVE COMPONENTS ball knobs with threaded hole. 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 INNOVATIVE COMPONENTS

View all INNOVATIVE COMPONENTS parts →
Ball knob with a 1.25 in diameter, molded plastic body, and a steel threaded insert. Features a 3/8"-16 thread size for mounting on studs or screws. Commonly used as a hand-operated control on machinery, valves, and adjustment mechanisms
INNOVATIVE COMPONENTS
Ball knob with a 1.25 in diameter, molded plastic body, and a steel threaded insert. Features a 3/8"-16 thread size for mounting on studs or screws. Commonly used as a hand-operated control on machinery, valves, and adjustment mechanisms
This ball knob features a 1.38 in diameter plastic body with a steel threaded insert. The 1/2"-13 thread allows for manual tightening and adjustment on machinery, equipment panels, and clamping mechanisms
INNOVATIVE COMPONENTS
This ball knob features a 1.38 in diameter plastic body with a steel threaded insert. The 1/2"-13 thread allows for manual tightening and adjustment on machinery, equipment panels, and clamping mechanisms

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first