KHK GEARS Ratchet Gear: 12.57 Pitch, 40 Teeth, 20 mm Bore Dia, Black Oxide-Coated Steel
The KHK GEARS Ratchet Gear (SKU 3G-OTH-724211, MPN SRTB4-40) is a metric ratchet with hub, featuring 40 teeth, a 12.57 pitch, 20 mm bore diameter, and 160 mm outside diameter. Constructed from black oxide-coated…
SKU 3G-OTH-724211
Also listed as: SRTB440 · SRTB4 40
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
Need installation or engineering help?
Ask a question
Product Description
The KHK GEARS Ratchet Gear (SKU 3G-OTH-724211, MPN SRTB4-40) is a metric ratchet with hub, featuring 40 teeth, a 12.57 pitch, 20 mm bore diameter, and 160 mm outside diameter. Constructed from black oxide-coated steel with induction-hardened teeth, this component is designed for unidirectional indexing or locking applications in industrial machinery.
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 or locking in industrial machinery. Its 40 teeth and induction-hardened steel construction provide reliable engagement in applications like conveyors, packaging equipment, and automated assembly lines where controlled motion or load holding is required.
What are the specifications of the KHK SRTB4-40 ratchet gear?
The KHK SRTB4-40 ratchet gear has 40 teeth, a 12.57 pitch, 20 mm bore diameter, and 160 mm outside diameter. It is made of black oxide-coated steel with induction-hardened teeth for wear resistance. This metric ratchet with hub is designed for precise indexing in industrial drives.
Where to buy KHK ratchet gears worldwide?
3G Electric supplies KHK ratchet gears like the SRTB4-40 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this metric ratchet with hub, available to order through our global sourcing network.
How to select a ratchet gear for an indexing application?
Select a ratchet gear by matching tooth count, pitch, bore diameter, and outside diameter to your mechanism's pawl and shaft. For heavy-duty indexing, choose induction-hardened teeth like the KHK SRTB4-40 for durability. Ensure the hub fits your mounting and the material suits your environment.
KHK GEARS Products
3G Electric supplies KHK GEARS metric ratchets with hub. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
