Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

PROTO Hand Ratchet: Round, Reversible, 4 1/2 in Overall Lg, Chrome, 5° Min Arc Swing - Standard-Head Ratchets
PROTOStandard-Head Ratchets

PROTO Hand Ratchet: Round, Reversible, 4 1/2 in Overall Lg, Chrome, 5° Min Arc Swing

The PROTO Hand Ratchet: Round (MPN J4752F) is a standard-head ratchet from Proto, featuring a round head design and a chrome finish. It is reversible and has a 4 1/2-inch overall length with a 5° minimum arc swing…

SKU 3G-OTH-270791

Brand
PROTO
Item
Hand Ratchet: Round, Reversible, 4 1/2 in Overall Lg, Chrome, 5° Min Arc Swing
Category
Standard-Head Ratchets
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.
Worldwide Shipping
Air & sea freight
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
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PROTO
Manufacturer Part Number
J4752F
Type
Reversible, Chrome, Proto
Overall Lg
4 1/2 in
Arc Swing
5° Min

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 Hand Ratchet: Round (MPN J4752F) is a standard-head ratchet from Proto, featuring a round head design and a chrome finish. It is reversible and has a 4 1/2-inch overall length with a 5° minimum arc swing, and does not include a quick-release mechanism.

Frequently Asked Questions

What is the PROTO J4752F hand ratchet used for?

The PROTO J4752F hand ratchet is used for tightening and loosening fasteners in confined spaces where a full swing arc is not possible. Its 5° minimum arc swing and 4 1/2-inch overall length make it ideal for automotive repair, industrial maintenance, and assembly work where access is limited.

What are the specifications of the PROTO J4752F ratchet?

The PROTO J4752F is a standard-head ratchet with a round head design and chrome finish. It is reversible, has a 4 1/2-inch overall length, and a 5° minimum arc swing. It does not include a quick-release mechanism. The manufacturer part number is J4752F, and it is made by Proto.

Where to buy the PROTO J4752F ratchet worldwide?

You can source the PROTO J4752F ratchet through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Proto tools to industrial buyers globally.

How to maintain a PROTO round head ratchet?

To maintain a PROTO round head ratchet like the J4752F, keep it clean and lubricated with light machine oil on the gear mechanism. Avoid using excessive force beyond its rated capacity. Store in a dry environment to prevent corrosion. For best performance, periodically check the reversing mechanism for smooth operation.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO Products

3G Electric supplies PROTO standard-head ratchets. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
PROTO Hand Ratchet: Round, Reversible, 9 1/4 in Overall Lg, Chrome, 5° Min Arc Swing, Proto (MPN J5452F)
PROTO
PROTO Hand Ratchet: Round, Reversible, 9 1/4 in Overall Lg, Chrome, 5° Min Arc Swing, Proto (MPN J5452F)
PROTO Hand Ratchet: Round, Not Reversible, 15 in Overall Lg, Chrome, 5° Min Arc Swing, Proto (MPN J5454F)
PROTO
PROTO Hand Ratchet: Round, Not Reversible, 15 in Overall Lg, Chrome, 5° Min Arc Swing, Proto (MPN J5454F)
PROTO Hand Ratchet: Round, Not Reversible, 7 1/4 in Overall Lg, Black Oxide, 5° Min Arc Swing, Proto (MPN J5252FBL)
PROTO
PROTO Hand Ratchet: Round, Not Reversible, 7 1/4 in Overall Lg, Black Oxide, 5° Min Arc Swing, Proto (MPN J5252FBL)
PROTO Hand Ratchet: Round, Not Reversible, 9 1/4 in Overall Lg, Black Oxide, 5° Min Arc Swing, Proto (MPN J5452FBL)
PROTO
PROTO Hand Ratchet: Round, Not Reversible, 9 1/4 in Overall Lg, Black Oxide, 5° Min Arc Swing, Proto (MPN J5452FBL)
PROTO Hand Ratchet: Pear, Reversible, 5 1/2 in Overall Lg, Chrome, 8° Min Arc Swing, Proto (MPN J4749XL)
PROTO
PROTO Hand Ratchet: Pear, Reversible, 5 1/2 in Overall Lg, Chrome, 8° Min Arc Swing, Proto (MPN J4749XL)
PROTO Hand Ratchet: Pear, Reversible, 5 1/2 in Overall Lg, Chrome, 8° Min Arc Swing, Proto (MPN J4749XLHS)
PROTO
PROTO Hand Ratchet: Pear, Reversible, 5 1/2 in Overall Lg, Chrome, 8° Min Arc Swing, Proto (MPN J4749XLHS)

More from PROTO

View all PROTO parts
PROTO Hand Ratchet: Pear, Reversible, 12 1/2 in Overall Lg, Chrome, 4° Min Arc Swing, Proto (MPN J5250HTC)
PROTO
PROTO Hand Ratchet: Pear, Reversible, 12 1/2 in Overall Lg, Chrome, 4° Min Arc Swing, Proto (MPN J5250HTC)
PROTO Hand Ratchet: Pear, Reversible, 8 1/2 in Overall Lg, Chrome, 8° Min Arc Swing, Proto (MPN J5249XL)
PROTO
PROTO Hand Ratchet: Pear, Reversible, 8 1/2 in Overall Lg, Chrome, 8° Min Arc Swing, Proto (MPN J5249XL)
PROTO Hand Ratchet: Pear, Reversible, 16 in Overall Lg, Chrome, 15° Min Arc Swing, 1/2 in Drive Size (MPN J5450)
PROTO
PROTO Hand Ratchet: Pear, Reversible, 16 in Overall Lg, Chrome, 15° Min Arc Swing, 1/2 in Drive Size (MPN J5450)
PROTO Hand Ratchet: Pear, Reversible, 11 in Overall Lg, Chrome, 8° Min Arc Swing, 3/8 in Drive Size (MPN J5250XL)
PROTO
PROTO Hand Ratchet: Pear, Reversible, 11 in Overall Lg, Chrome, 8° Min Arc Swing, 3/8 in Drive Size (MPN J5250XL)
PROTO Hand Ratchet: Pear, Reversible, 7 in Overall Lg, Chrome, 15° Min Arc Swing, 3/8 in Drive Size (MPN J5249)
PROTO
PROTO Hand Ratchet: Pear, Reversible, 7 in Overall Lg, Chrome, 15° Min Arc Swing, 3/8 in Drive Size (MPN J5249)
PROTO Hand Ratchet: Pear, Reversible, 11 in Overall Lg, Black Oxide, 8° Min Arc Swing, Proto (MPN J5250XLBL)
PROTO
PROTO Hand Ratchet: Pear, Reversible, 11 in Overall Lg, Black Oxide, 8° Min Arc Swing, Proto (MPN J5250XLBL)
PROTO Hand Ratchet: Round, Reversible, 7 1/4 in Overall Lg, Chrome, 5° Min Arc Swing, Proto (MPN J5252F)
PROTO
PROTO Hand Ratchet: Round, Reversible, 7 1/4 in Overall Lg, Chrome, 5° Min Arc Swing, Proto (MPN J5252F)
PROTO Hand Ratchet: Round, Not Reversible, 4 1/2 in Overall Lg, Black Oxide, 5° Min Arc Swing, Proto (MPN J4752FBL)
PROTO
PROTO Hand Ratchet: Round, Not Reversible, 4 1/2 in Overall Lg, Black Oxide, 5° Min Arc Swing, Proto (MPN J4752FBL)