#857828

11/16 Stainless Steel KMC Expansion Plug PCS-0687
Diameter Thread Threads Length Grade Finish Weight
0.6875 (11/16) Partial 0 .012
Diameter 0.6875 (11/16)
Thread 0
Length
Grade
Finish
Weight .012



Expansion Plugs or Freeze plugs protect your engine blocks come winter. They are designed to hold coolant inside the engine block under normal circumstances with tight fit. However, when coolant freezes it expands - applying pressure to the engine that could cause costly damages. The plugs relieve the internal pressure by pop out.

Expansion Plugs – PC Series

  • Concave bottom core hole plug
  • Plug should be driven in by the rim
  • Carbon steel standard
  • Tapered walls
  • Sizes range from 3/8” to 3” nominal diameter
  • Expansion Plug – PF Series

  • Flat-bottom core hole
  • Plug should be driven in by the rim
  • Carbon steel standard
  • Tapered walls
  • Sizes range from 3/8” to 3” nominal diameter
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