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ITW Ramset FS3850 Red Head 3/8″ X 5″ Dynabolt Sleeve Anchors Flat Head (Box of 50)


ITW Ramset Red Head 3/8″ X 5″ Dynabolt┬« Sleeve Anchors Flat Head (Box of 50)

Only 2 left in stock (can be backordered)

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SKU: FS3850 Categories: , , Brand:


Sleeve type anchors feature a split expansion sleeve over a threaded stud bolt body and integral expander, nut and washer. Anchors are made of Plated Carbon Steel, or Type 18-8 Stainless Steel. Anchors should be installed with carbide tipped hammer drill bits made in accordance to ANSI B212.15-1994. Anchors are tested to ASTM E488 criteria. Meets or exceeds U.S. Government G.S.A. specification A-A-55614 Type 2 (Formerly GSA: FF-S-325 Group VIII, Type 2), California State Fire Marshal, Factory Mutual and Underwriters Laboratories.


  • Anchor diameter equals hole diameter.
  • Available in hex head and six other head styles.
  • Available 1/4 – 3/4″ diameter up to 6-1/4″ length.
  • Zinc plated carbon steel and 304 stainless steel.
  • Provides full 360┬░ hole contact over large area and reduces concrete stress.
  • Heavy-loading capacity.
  • Preassembled for faster, easier installations.
  • Dynabolt can be installed through object to be fastened.
  • Sleeve design improves holding power.
  • No pre-spotting of holes necessary.


  • (1) Box of 50 3/8″ X 5″ Flat Head Dynabolt┬« Sleeve Anchors


Anchor Diameter & Drill Bit Size: 3/8″
Effective Anchor Length: 5″

Bolt Diameter: 5/16″
Threads Per Inch: 18

Minimum Embedment: 1-1/2″
Maximum Thickness of Material to be Fastened: 3-1/2″

Additional information

Weight 8 lbs


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