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Red Head Dynabolt Hex Nut 1/2-Inch X 4 Inch Sleeve Anchor feature a split expansion sleeve over a threaded stud bolt body and integral expander, nut and washer. The anchor diameter equals hole diameter, with 1/4 - 3/4 inch diameter anchors available, up to 6-1/4 inch length. The sleeve design improves holding power. These sleeve anchors provides full 360 degree hole contact over large area and reduces concrete stress, with a heavy-loading capacity. They are preassembled for faster, easier installations and can be installed through object to be fastened. No pre-spotting of holes necessary. The anchors are zinc plated and should be installed with carbide tipped hammer drill bits. Available in hex head and six other head styles. Specs: Anchor Diameter and Drill Bit Size - 1/2-Inch inch; Effective Anchor Length - 4 inch; Bolt Diameter - 3/8 inch; Threads per Inch - 16; Min. Embedment - 1-7/8 inch; Max. Thickness of Material to be Fastened - 2-1/8 inch.
Osmani Silva
2025-07-23 15:26:12
Great product I will buy it again.
Shahryar Oliai
2025-07-15 13:39:49
Used it for building a 40 foot plus boardwalk along a concrete foundation. It worked very well. Great price compared to buying it at big box stores.
Tophat
2025-06-27 18:55:25
Great Value, comes loose in plastic bag. Performs as expected.
Mike
2025-05-21 16:12:26
Arrived promptly - only 1 out of 25 bolts defective.
Mike in Waynesboro PA
2025-02-05 16:42:58
As Advertised, reliable brand.
Joe
2025-01-10 14:20:09
Very nice product
Thomas A. Murphy
2025-01-04 21:41:15
great product nice and strong
juan carlos gonzalez
2024-12-03 13:27:26
great product
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