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5/16" X 3/8" X 1-5/8" Long Steel Spanner Bushing

Volume discounts applied at checkout
  • 50-99 units: 5% Off
  • 100-199 units: 10% Off
  • 200+ units: 15% Off
Status: In Stock
Shipping Truck

Most in-stock items ship same or next business day. Shipping rates shown at checkout.

PRODUCT CODE: SM38-163

Product Overview

5/16" X 3/8" X 1-5/8" Long - Carbon Steel Spanner Bushing




This solid carbon steel spanner bushing is popular when someone is wanting to reduce the inner diameter of the axle or bolt hole to 5/16" inner diameter. This can be used to double spanner a bushing which means you can insert this inside of a 3/8" spanner to further reduce it to 5/16". This spanner can also be used on any bore size of a 3/8" to further reduce the size to a 5/16" inner diameter.


  • Spanner ID (Inner Diameter): 5/16"
  • Spanner OD (Outer Diameter): 3/8"
  • Spanner Length: 1-5/8"
Technical Specs

Spanner ID (Inner Diameter): 5/16"
Spanner OD (Outer Diameter): 3/8"
Spanner Length: 1-5/8"

Key Features
  • Solid Steel Spanner Bushing
  • Grease Hole in Middle Of Spanner
  • Allows perfect lubrication to run through bearings
  • Most Commonly Used Spanner in the Industry
Ordering, Pricing, and Support Information

Transparent pricing.
All pricing and quantity discounts are applied automatically. There are no promo codes required and no post-checkout price changes.

Upfront shipping costs.
Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.

Business-friendly ordering.
We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.

Real support from product specialists.
Need help confirming fit, compatibility, or application? Our team works directly with engineers, maintenance teams, and buyers every day.

Trusted by industrial and commercial customers.
CasterHQ supplies casters and wheels for manufacturing, material handling, retail, and distribution environments nationwide.

Shipping and Delivery FAQs
  • Flat-rate shipping by order size. Final shipping cost shown before payment.
  • No post-checkout shipping adjustments or re-billing.
  • Most orders ship from our Texas headquarters near Dallas.

When will my order ship?

In-stock items typically ship same or next business day. Weekend orders ship Monday or Tuesday unless stated otherwise.

Will shipping cost more at checkout?

Shipping is not free on most orders. Your final shipping cost is shown before payment.

Typical transit times after shipment

Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.

Made-to-order items (lead times)

Some custom products (select Made in USA casters, keyway wheels, drive wheels) are built after purchase and ship on a longer lead time. When applicable, the ship-time estimate is shown on the product page.

Need an exact freight quote for a large order?

Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.

5/16
5/16" X 3/8" X 1-5/8" Long Steel Spanner Bushing

$3.00

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