3 in. One-Way Screws for Security Bar Window Guard (4-Pack) (3inch)

★★★★★ 4.6 143 reviews

US$8.40
Price when purchased online
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US$8.40
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 221599634 Release Date 2026/05/03 List Price US$8.40 Model Number 221599634
Category

The Grisham 4 in. one-way screw (4-pack) features a black powder-coated finish for weather durability. For use with all Grisham spearpoint window bar mounting brackets or fastener applications where possible tampering could occur. The non-reversing safety screw design inhibits removal of the fastener. For use in fastening all Grisham window bar mounting brackets and accessories Can be used in many security applications to inhibit potential tampering Non-reversing design impedes removal Rust-resistant finish 4-pack of x 4 in. long by 5/16 in. Dia with a 5/8 in. round head

  • 4 in. One-Way Screws for Security Bar Window Guard (4-Pack)
Brand Housagies
Head Type Round
Size Name 3inch
Metal Type Alloy Steel
Unit Count 4.0 Count
Part Number h011
Thread Size 5/16" x
Thread Type Unc
Drive System Cross
Finish Types Powder Coated
Manufacturer Grisham
Thread Class 2B
Thread Style Right Hand
Fastener Size 4 inches
Fastener Type One-way or Safety
Material Type Steel
Exterior Finish Black Oxide
Item Dimensions 1 x 1 x 4 inches
Number Of Items 1
Thread Coverage Partially Threaded
Number of Pieces 4
Screw Head Style Round
Screw Point Style Type A Point
Set Screw Thread Type Unified National Coarse (UNC)

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4.6 out of 5
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143 ratings | 59 reviews
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