KHK GEARS Metric Ratchet with Hub SRTB4-30
The KHK GEARS Ratchet Gear (12.57 Pitch) is a metric ratchet with hub, featuring 30 teeth, a 20 mm bore diameter, and a 120 mm outside diameter. Constructed from black oxide-coated steel with induction-hardened…
SKU 3G-OTH-724173
Also listed as: SRTB430 · SRTB4 30
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.
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Product Description
The KHK GEARS Ratchet Gear (12.57 Pitch) is a metric ratchet with hub, featuring 30 teeth, a 20 mm bore diameter, and a 120 mm outside diameter. Constructed from black oxide-coated steel with induction-hardened teeth, this component (MPN SRTB4-30) is designed for unidirectional indexing and positioning applications.
Frequently Asked Questions
What is a KHK ratchet gear used for?
A KHK ratchet gear with hub is used for unidirectional indexing and positioning in industrial machinery. It allows motion in one direction while preventing reverse rotation, commonly applied in conveyor systems, hoists, and indexing tables where controlled incremental movement is required.
What are the specifications of the KHK SRTB4-30 ratchet gear?
The KHK SRTB4-30 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 for wear resistance. This metric ratchet with hub is designed for precise unidirectional control.
Where to buy KHK ratchet gears worldwide?
3G Electric supplies KHK ratchet gears like the SRTB4-30 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.
How to select a ratchet gear for an indexing application?
Select a ratchet gear based on tooth count, pitch, bore diameter, and material. For indexing, match the gear's outside diameter and bore to your shaft and space constraints. Induction-hardened teeth, as on the KHK SRTB4-30, improve durability in repeated stop-start operations.
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.