Product Announcements:
Belts and Pulleys

Custom timing pulleys don’t always need to be custom.
By designing around in-stock timing pulleys paired with our Concentric Maxi Torque® bushing, you can:
✔ Avoid custom pulley R&D
✔ Use interchangeable shaft sizes
✔ Reduce upfront and long-term costs
✔ Keep designs flexible for future changes
It isn't always about... Read more...

Long lead times are still one of the biggest production bottlenecks we see.

Pulley stock is a simple way to stay moving by machining timing pulleys in-house without waiting on custom runs.
Aluminum, steel, stainless (including food-grade), and more available upon request.

Curious how others are handling lead time pressure right now? Read more...

The Concentric Maxi Torque is a unique bushing connection system. A single screw locks the low taper angle split bushing in place and eliminates all of the existing attachment issues.

1. Improved hub-to-shaft concentricity.

Radial run out less than .001/.026 mm as assembled enables customers to attain higher drive speeds, reduce unwanted vibration, and maintain concentricit... Read more...

Custom Machine & Tool Co., Inc. has been the preferred manufacturer of timing pulley stock with fast delivery for OEM's and distributors for over 50 years.

Simply click on the Product Number within the catalog below to request your quote!
We'll guarantee shipment of up to 5 pieces of the sizes not excluded in catalog below within 72 hours (3 business days) o... Read more...

Custom Machine & Tool Co., Inc. has an extensive inventory of stamped aluminum and steel flanges available for purchase. Read more...

 A single screw locks the low taper angle split bushing in place and eliminates all of the existing attachment issues. Read more...

SDP/SI manufactures metal and nonmetallic pulleys in a variety of profiles, sizes, styles and numbers of teeth. To ensure long life and quiet operation in your application our pulleys are made to the exact timing belt profile. To complete your drive system, get your timing belts from SDP/SI. Read more...

SDP/SI is a leading manufacturer and global supplier of timing belts and pulleys. Not only does SDP/SI keep a large assortment of standard timing belts on-the-shelf, but has the capability to cut custom widths on demand from existing belt material in inventory. Available profiles include: Miniature FHT®, MXL, 40 D.P., XL, L, HTD®, GT®2, GT®3, and T. Read more...

SDP/SI offers high-quality metric-sized timing belt pulleys in a variety of materials, sizes or finishes. They can be machined or molded to fit your specific requirements. With a quick turn-around rate, combined with technical and engineering support, SDP/SI is the only source you need for all of your applications. Read more...

SDP/SI excels at making quality timing pulleys, both machined and molded, in all different sizes. Because we already offer so many different materials, sizes and fastening methods, if one of our many off-the-shelf pulleys doesn't perfectly suit your needs, we'll make you one that does. With a quick turn-around rate and technical and engineering support, SDP/SI is the only source you need. Read more...