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

KHK GEARS Spur Gear: Module m 0.5, 38 Teeth, 4 mm Bore Dia, Brass, 20° Pressure Angle - Metric Spur Gears with Standard Hub
KHK GEARSMetric Spur Gears with Standard Hub

KHK GEARS Spur Gear: Module m 0.5, 38 Teeth, 4 mm Bore Dia, Brass, 20° Pressure Angle

The KHK GEARS Spur Gear (Module m 0.5) is a metric spur gear with a standard hub, featuring 38 teeth, a 4 mm finished bore, and a 20° pressure angle. Made from brass (grade C3604) with a hub and set screws, it meets…

SKU 3G-OTH-724693

Brand
KHK GEARS
Item
Spur Gear: Module m 0.5, 38 Teeth, 4 mm Bore Dia, Brass, 20° Pressure Angle
Category
Metric Spur Gears with Standard Hub
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

Technical Specifications

KHK GEARS
Manufacturer Part Number
BSS0.5-38A
Type
Brass, Finished Bore
Material
Brass
Teeth
38
Bore Dia
4 mm
Hub Type
Hub with Set Screws
Gear Shape
S1T
Material Grade
C3604
Pressure Angle
20°
Precision Class
JIS N8 (JIS B1702-1:1998)
System of Measurement
Metric
View Full Spec Sheet

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

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

Product Description

The KHK GEARS Spur Gear (Module m 0.5) is a metric spur gear with a standard hub, featuring 38 teeth, a 4 mm finished bore, and a 20° pressure angle. Made from brass (grade C3604) with a hub and set screws, it meets JIS N8 precision class (JIS B1702-1:1998) and is classified as gear shape S1T.

Frequently Asked Questions

What is the KHK BSS0.5-38A spur gear used for?

The KHK BSS0.5-38A is a metric spur gear used for precise motion transfer in industrial machinery, automation, and instrumentation. Its brass construction and JIS N8 precision make it suitable for light-duty applications requiring low noise and corrosion resistance, such as in indexing tables or small conveyors.

What are the specifications of the KHK BSS0.5-38A spur gear?

This KHK spur gear has module m 0.5, 38 teeth, a 4 mm finished bore, and a 20° pressure angle. It is made of brass grade C3604 with a hub and set screws, meets JIS N8 precision class (JIS B1702-1:1998), and is classified as gear shape S1T. The system of measurement is metric.

Where to buy KHK BSS0.5-38A spur gear worldwide?

3G Electric supplies the KHK BSS0.5-38A spur gear worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this brass metric spur gear with a 4 mm bore.

How to install the KHK BSS0.5-38A spur gear?

To install the KHK BSS0.5-38A, align the 4 mm bore with the shaft and tighten the set screws on the hub. Ensure the mating gear has the same module (m 0.5) and pressure angle (20°) for proper meshing. Use a light lubricant and check backlash per JIS N8 tolerance guidelines.

KHK GEARS Products

3G Electric supplies KHK GEARS metric spur gears with standard hub. 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 KHK GEARS

View all KHK GEARS parts
Spur Gear: Module m 1.5, 90 Teeth, 15 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SS1.5-90). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: Hub with Set Screws; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.
KHK GEARS
Spur Gear: Module m 1.5, 90 Teeth, 15 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SS1.5-90). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: Hub with Set Screws; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.
Spur Gear: Module m 1.5, 100 Teeth, 15 mm Bore Dia, Stainless Steel, 20° Pressure Angle, Plain Bore (MPN SUS1.5-100). Key specifications — Material Grade: SUS303; System of Measurement: Metric; Material: Stainless Steel; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.
KHK GEARS
Spur Gear: Module m 1.5, 100 Teeth, 15 mm Bore Dia, Stainless Steel, 20° Pressure Angle, Plain Bore (MPN SUS1.5-100). Key specifications — Material Grade: SUS303; System of Measurement: Metric; Material: Stainless Steel; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.
Spur Gear: Module m 1, 26 Teeth, 8 mm Bore Dia, Black Oxide Coated Carbon Steel, 20° Pressure Angle (MPN SS1-26). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: Hub with Set Screws; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.
KHK GEARS
Spur Gear: Module m 1, 26 Teeth, 8 mm Bore Dia, Black Oxide Coated Carbon Steel, 20° Pressure Angle (MPN SS1-26). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: Hub with Set Screws; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.
Spur Gear: Module m 2, 20 Teeth, 12 mm Bore Dia, Stainless Steel, 20° Pressure Angle, Plain Bore (MPN SUS2-20). Key specifications — Material Grade: SUS303; System of Measurement: Metric; Material: Stainless Steel; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.
KHK GEARS
Spur Gear: Module m 2, 20 Teeth, 12 mm Bore Dia, Stainless Steel, 20° Pressure Angle, Plain Bore (MPN SUS2-20). Key specifications — Material Grade: SUS303; System of Measurement: Metric; Material: Stainless Steel; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.
Spur Gear: Module m 0.5, 24 Teeth, 4 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SS0.5-24A). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: Hub with Set Screws; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S3T.
KHK GEARS
Spur Gear: Module m 0.5, 24 Teeth, 4 mm Bore Dia, Black Oxide Coated Carbon Steel, Plain Bore (MPN SS0.5-24A). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Hub Type: Hub with Set Screws; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S3T.
Spur Gear: Module m 1, 30 Teeth, 6 mm Bore Dia, Duracon, 20° Pressure Angle, Plain Bore (MPN DS1-30). Key specifications — Material Grade: M90-44; System of Measurement: Metric; Material: Duracon; Precision Class: JIS N12 (JIS B1702-1:1998); Gear Shape: S9.
KHK GEARS
Spur Gear: Module m 1, 30 Teeth, 6 mm Bore Dia, Duracon, 20° Pressure Angle, Plain Bore (MPN DS1-30). Key specifications — Material Grade: M90-44; System of Measurement: Metric; Material: Duracon; Precision Class: JIS N12 (JIS B1702-1:1998); Gear Shape: S9.
Spur Gear: Module m 1.5, 75 Teeth, 15 mm Bore Dia, Stainless Steel, 20° Pressure Angle, Plain Bore (MPN SUS1.5-75). Key specifications — Material Grade: SUS303; System of Measurement: Metric; Material: Stainless Steel; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.
KHK GEARS
Spur Gear: Module m 1.5, 75 Teeth, 15 mm Bore Dia, Stainless Steel, 20° Pressure Angle, Plain Bore (MPN SUS1.5-75). Key specifications — Material Grade: SUS303; System of Measurement: Metric; Material: Stainless Steel; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.
Spur Gear: Module m 2, 13 Teeth, 10 mm Bore Dia, Black Oxide Coated Carbon Steel, 20° Pressure Angle (MPN SS2-13). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.
KHK GEARS
Spur Gear: Module m 2, 13 Teeth, 10 mm Bore Dia, Black Oxide Coated Carbon Steel, 20° Pressure Angle (MPN SS2-13). Key specifications — Material Grade: S45C; Finish: Black Oxide; System of Measurement: Metric; Material: Carbon Steel; Precision Class: JIS N8 (JIS B1702-1:1998); Gear Shape: S1.