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  1. Home
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  3. Expandable Diameter Fasteners
  4. Expandable Dia Bolt

Expandable Diameter Bolt

Custom-engineered to expand in a hole to prevent fretting.

Features Special Options Specs Documents

Features & Benefits
  • Eliminates all radial clearance.
  • Creates a rigid joint.
  • Eliminates wear in the joint.
  • Provides hole alignment and repeatability.
  • Provides high reusability.
Special Options
  • Dual locking features such as Cotter Pins, Lock Wires, etc.
  • Metric sizes available on request.
  • Captive Segments - To prevent removal of bushing segments from the core shaft when the nuts and washers are removed, eliminating loss of individual segments.
  • Lanyard - To secure the removed fastener near installation hole to prevent loss and provide for easier installation.
  • Impedance Ring - Prevents loss of the fastener from the hole even if radial tightness is lost.
Limitations
  • Limited axial clamp-up capability.
  • Reusability limited only by thread wear.
Standard Nominal Hole Sizes
  • .1900 through 1.500 inch
EDF DocumentsNotes
Expandable Diameter Fasteners (EDF) Catalog
EDF Benefits, Limitations and Installation ProcedureTSB 0015

Shur-Lok Documents

View our technical sales bulletins, quality certificates, catalogs, and manuals.

View Documents

Expandable Diameter Fasteners

Expandable Dia Bolt Expandable Dia Blind Bolt Expandable Dia Shaft Expandable Dia Clamp-Up Bolt Expandable Dia Pin Expandable Dia Handleless Cam Expandable Dia Wrap-Around Cam

Request a Quote

Fill out our quote form to receive a quote from us.

Request a Quote

Expandable Diameter Fasteners

Expandable Dia Bolt Expandable Dia Blind Bolt Expandable Dia Shaft Expandable Dia Clamp-Up Bolt Expandable Dia Pin Expandable Dia Handleless Cam Expandable Dia Wrap-Around Cam

Request a Quote

Fill out our quote form to receive a quote from us.

Request a Quote

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