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
PROTO J4040-8 Step Plate for Hollow Shaft Applications - Step Plates for Hollow Shaft Applications
PROTOStep Plates for Hollow Shaft Applications

PROTO J4040-8 Step Plate for Hollow Shaft Applications

The PROTO Puller Step Plate, model J4040-8, is a step plate designed for hollow shaft applications. It accommodates bore diameters from a minimum of 3/4 in to a maximum of 2 3/8 in. This PROTO-branded component is…

SKU 3G-OTH-295970

Also listed as: J40408 · J4040 8

Brand
PROTO
Item
J4040-8 Step Plate for Hollow Shaft Applications
Part Number
J4040-8
Category
Step Plates for Hollow Shaft Applications
Available to Order
Also known as:J4040-8PROTO
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

PROTO
Manufacturer Part Number
J4040-8
Type
- Max, For 3/4 in Bore Dia - Min, J4040-8

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

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

Product Description

The PROTO Puller Step Plate, model J4040-8, is a step plate designed for hollow shaft applications. It accommodates bore diameters from a minimum of 3/4 in to a maximum of 2 3/8 in. This PROTO-branded component is intended for use with pullers in industrial maintenance and repair operations.

Frequently Asked Questions

What is the PROTO J4040-8 puller step plate used for?

The PROTO J4040-8 puller step plate is used in industrial maintenance for hollow shaft applications. It provides a stable bearing surface when using pullers to remove bearings, gears, or pulleys from shafts, accommodating bore diameters from 3/4 in to 2 3/8 in.

What are the specifications of the PROTO J4040-8 step plate?

The PROTO J4040-8 step plate has a manufacturer part number J4040-8. It is designed for hollow shaft applications and fits bore diameters from a minimum of 3/4 in to a maximum of 2 3/8 in. This PROTO-branded component is used with pullers for maintenance and repair.

Where to buy the PROTO J4040-8 step plate worldwide?

You can source the PROTO J4040-8 step plate through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring the component reaches your facility for maintenance operations.

How to select the correct PROTO step plate for a puller?

To select the correct PROTO step plate, match the plate's bore diameter range to your shaft or component. The J4040-8 accommodates bore diameters from 3/4 in minimum to 2 3/8 in maximum. Ensure the step plate is compatible with your puller's jaw spread and application type.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
Not sure this is the right part? Photo-identify it→

PROTO Products

3G Electric supplies PROTO step plates for hollow shaft applications. 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 PROTO

View all PROTO parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first