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KHK GEARS Ratchet Gear: 12.57 Pitch, 30 Teeth, 20 mm Bore Dia, 120 mm Outside Dia - Hubless Metric Ratchets
KHK GEARSHubless Metric Ratchets

KHK GEARS Ratchet Gear: 12.57 Pitch, 30 Teeth, 20 mm Bore Dia, 120 mm Outside Dia

The KHK GEARS Ratchet Gear (SKU 793D21, MPN SRT4-30) is a hubless metric ratchet with a 12.57 pitch, 30 teeth, 20 mm bore diameter, and 120 mm outside diameter. Constructed from black oxide-coated steel with…

SKU 3G-OTH-724308

Brand
KHK GEARS
Item
Ratchet Gear: 12.57 Pitch, 30 Teeth, 20 mm Bore Dia, 120 mm Outside Dia
Category
Hubless Metric Ratchets
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Technical Specifications

KHK GEARS
Manufacturer Part Number
SRT4-30
Type
Black Oxide-Coated Steel
Teeth
30
Bore Dia
20 mm
Outside Dia
120 mm
Tooth Heat Treatment
Induction Hardened
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KHK GEARS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KHK GEARS Ratchet Gear (SKU 793D21, MPN SRT4-30) is a hubless metric ratchet with a 12.57 pitch, 30 teeth, 20 mm bore diameter, and 120 mm outside diameter. Constructed from black oxide-coated steel with induction-hardened teeth, this component is designed for unidirectional indexing and positioning applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a KHK ratchet gear used for?

A KHK ratchet gear is used for unidirectional indexing and positioning in industrial machinery. Its induction-hardened teeth and black oxide coating provide durability in applications like conveyors, packaging equipment, and automated assembly systems where precise, one-way motion control is required.

What are the specifications of the KHK SRT4-30 ratchet gear?

The KHK SRT4-30 ratchet gear has 30 teeth, a 12.57 pitch, 20 mm bore diameter, and 120 mm outside diameter. It is made of black oxide-coated steel with induction-hardened teeth. This hubless metric design is suited for compact indexing assemblies.

Where to buy KHK ratchet gears worldwide?

3G Electric supplies KHK ratchet gears like the SRT4-30 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other KHK gear components.

How to install a hubless ratchet gear?

Install a hubless ratchet gear by mounting it directly on a shaft using the 20 mm bore. Secure it with a key or set screw per the shaft design. Ensure the pawl engages the induction-hardened teeth correctly for unidirectional operation. Follow standard gear alignment practices.

KHK GEARS Products

3G Electric supplies KHK GEARS hubless metric ratchets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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