JW WINCOKnurled Knobs with Threaded Hole

JW WINCO Knurled Screws; Knurled Hand Knobs: Knurled, Steel, 3/8"-16 Thread, 0.63 in Thread Lg

The JW WINCO Knurled Screws are knurled hand knobs with a threaded hole, featuring a 2 in diameter, 3/8"-16 thread, and 0.63 in thread length. These steel knobs are black in color (MPN 6TKR4).

SKU 3G-OTH-503336

Brand

JW WINCO

Item

Knurled Screws; Knurled Hand Knobs: Knurled, Steel, 3/8"-16 Thread, 0.63 in Thread Lg

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

6TKR4 

Type

Steel 

Dia

2 in 

Color

Black 

Thread

3/8"-16 

Thread Lg

0.63 in 

Knurled Hand Knobs

Knurled 

Technical Documents

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JW WINCO Knurled Screws are knurled hand knobs with a threaded hole, featuring a 2 in diameter, 3/8"-16 thread, and 0.63 in thread length. These steel knobs are black in color (MPN 6TKR4).

Frequently Asked Questions

What are JW WINCO knurled hand knobs used for?

JW WINCO knurled hand knobs provide manual adjustment and clamping on machinery, fixtures, and industrial equipment. Their knurled steel body offers a secure grip for frequent hand-tightening in assembly, positioning, or locking applications across manufacturing and maintenance environments.

What are the specifications of JW WINCO knurled screws 6TKR4?

The JW WINCO 6TKR4 knurled screw has a 2 in diameter, 3/8\"-16 thread, and 0.63 in thread length. It is made of steel with a black finish. This knurled hand knob features a threaded hole for direct mounting on studs or bolts.

Where to buy JW WINCO knurled hand knobs worldwide?

3G Electric supplies JW WINCO knurled hand knobs worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 6TKR4 or other JW WINCO knurled screws.

How to install JW WINCO knurled screws?

Install JW WINCO knurled screws by threading the 3/8\"-16 stud into the knob's threaded hole. Tighten by hand using the knurled grip; avoid tools that could damage the steel surface. For vibration-prone applications, apply thread-locking compound per manufacturer guidelines.

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 knurled knobs with threaded hole. 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 →