Search the catalog

Search the catalog

Related products

Building Supplies

Gutter Systems
Roofing
Ventilation
Siding
Concrete, Cement & Masonry
Ceilings
Drywall

Plumbing

Plumbing Tools
Plumbing Parts
Pipe & Fittings
Water Pumps
Valves
Plumbing Accessories
Drainage

Lighting & Electrical

Wiring Devices & Light Controls
Batteries
Electrical Boxes, Conduit & Fittings
Power Distribution
Wire
Wall Plates
Electrical Cords

Shop by Brand

Milwaukee
STIHL
DeWalt
YETI
Diablo
National Hardware
Rust-Oleum

© 2026 Core Ranger, Inc.

Prime-Line 1/2 in. Nylon, Square Bolt Threshold… | Core Ranger

Home
Hardware
Window Hardware
Window Parts

SKU J 4520

Prime-Line 1/2 in. Nylon, Square Bolt Threshold and Header Bolt Guide

$9.94$994

This is a set of two nylon guides for 1/2 inch square header and threshold bolts found in some commercial aluminum or steel doors. This guide helps guide the rod through the top or bottom of the door and into a corresponding hole in the header or threshold. The two guides are nylon with a single mounting hole.

Designed for use with the extension bolt lock
Plastic construction ensures easy maintenance and minimal weight
Easy installation with low maintenance

Specifications

Model #: J 4520
Material: Plastic
Internet #: 202634758
Returnable: 90-Day
Store SKU #: 1000700376
Package Quantity: 2
Product Width: 3.813 in
Product Height: 5.438 in
Builders Hardware Product Type: Other Door Hardware

Related products

Related products

Prime-Line Frameless Shower Door Bottom Seal, 3/8 in. x 36 in., Vinyl, Clear

Prime-Line

Prime-Line Frameless Shower Door Bottom Seal, 3/8 in. x 36 in., Vinyl, Clear$14.47^$14⁴⁷

Prime-Line Dark Brown, Drawer Track Guide and Glide (2-pack)

Prime-Line

Prime-Line Dark Brown, Drawer Track Guide and Glide (2-pack)$8.67^$8⁶⁷

Prime-Line Sliding Glass Door Handle Set, 3-15/16 in., Diecast, White, Mortise/Hook Style

Prime-Line

Prime-Line Sliding Glass Door Handle Set, 3-15/16 in., Diecast, White, Mortise/Hook Style$31.93^$31⁹³

Prime-Line Surface Bolt, 4 in., Solid Brass Construction, Satin Nickel Finish

Prime-Line

Prime-Line Surface Bolt, 4 in., Solid Brass Construction, Satin Nickel Finish$17.57^$17⁵⁷

Prime-Line Bi-Fold Door Repair Kit, For 7/8 in. Wide Track, Used with 3/8 in. Outside Diameter Pivots and Guides

Prime-Line

Prime-Line Bi-Fold Door Repair Kit, For 7/8 in. Wide Track, Used with 3/8 in. Outside Diameter Pivots and Guides$8.97^$8⁹⁷

Prime-Line Mailbox Lock, 5 Cam, Nickle Finish, ILCO 1003M Keyway, Opens Counter-Clockwise, 90 Degree Rotation

Prime-Line

Prime-Line Mailbox Lock, 5 Cam, Nickle Finish, ILCO 1003M Keyway, Opens Counter-Clockwise, 90 Degree Rotation$9.77^$9⁷⁷

Prime-Line Push Button Screen or Storm Door Latch, Black

Prime-Line

Prime-Line Push Button Screen or Storm Door Latch, Black$8.14^$8¹⁴

Prime-Line Hinged Bar Lock, 3-7/8 in. H Security Door Guard, Diecast Zinc, Satin Nickel Plated Finish

Prime-Line

Prime-Line Hinged Bar Lock, 3-7/8 in. H Security Door Guard, Diecast Zinc, Satin Nickel Plated Finish$18.48^$18⁴⁸

Prime-Line 28 in. to 48 in., Aluminum, White, Security Bar Lock

Prime-Line

Prime-Line 28 in. to 48 in., Aluminum, White, Security Bar Lock$26.67^$26⁶⁷

Prime-Line Re-Key A Lock Kit, Schlage Type "C", 5-Pin Tumbler Sets w/Pre-cut Keys

Prime-Line

Prime-Line Re-Key A Lock Kit, Schlage Type "C", 5-Pin Tumbler Sets w/Pre-cut Keys$13.97^$13⁹⁷

Prime-Line 1-11/16 in., Satin Nickel, Bi-fold Door Pull Knob

Prime-Line

Prime-Line 1-11/16 in., Satin Nickel, Bi-fold Door Pull Knob$9.37^$9³⁷

Prime-Line Swing Bar Lock, 3-7/8 in. Bar Length, Diecast Zinc, Chrome Plated Finish

Prime-Line

Prime-Line Swing Bar Lock, 3-7/8 in. Bar Length, Diecast Zinc, Chrome Plated Finish$5.08^$5⁰⁸