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PRIME-LINE Tension Spring Roller: Tension Spring Roller, 7 7/16 in Overall Ht, Unfinished - Screen Door Hardware
PRIME-LINEScreen Door Hardware

PRIME-LINE Tension Spring Roller: Tension Spring Roller, 7 7/16 in Overall Ht, Unfinished

The PRIME-LINE Tension Spring Roller (MPN B 644) is a screen door hardware component with a 7 7/16 in overall height, supplied in an unfinished gray finish. Sold as a 1 PR unit, this tension spring roller is designed…

SKU 3G-OTH-532632

Brand
PRIME-LINE
Item
Tension Spring Roller: Tension Spring Roller, 7 7/16 in Overall Ht, Unfinished
Category
Screen Door Hardware
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Technical Specifications

PRIME-LINE
Manufacturer Part Number
B 644
Type
Unfinished
PR
1
Color
Gray
Finish
Unfinished
Overall Ht
7 7/16 in
Product Type
Tension Spring Roller
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PRIME-LINE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PRIME-LINE Tension Spring Roller (MPN B 644) is a screen door hardware component with a 7 7/16 in overall height, supplied in an unfinished gray finish. Sold as a 1 PR unit, this tension spring roller is designed for use in sliding screen door assemblies.

Frequently Asked Questions

What is a PRIME-LINE tension spring roller used for?

A PRIME-LINE tension spring roller is a screen door hardware component used in sliding screen door assemblies. It provides tension to keep the door properly aligned and smoothly operating within its track, ensuring reliable closure and preventing rattling or binding during use.

What are the specifications of the PRIME-LINE B 644 tension spring roller?

The PRIME-LINE B 644 tension spring roller has an overall height of 7 7/16 in, an unfinished gray finish, and is sold as a 1 PR unit. It is designed for sliding screen door applications and is manufactured by PRIME-LINE, a brand known for door and window hardware components.

Where to buy PRIME-LINE tension spring rollers worldwide?

3G Electric supplies PRIME-LINE tension spring rollers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order the PRIME-LINE B 644 or other screen door hardware components for your facility.

How to install a PRIME-LINE tension spring roller?

To install a PRIME-LINE tension spring roller, first remove the old roller from the sliding screen door frame. Insert the new roller into the bracket, ensuring the spring engages correctly. Adjust the tension by sliding the roller to the desired position, then secure it with the retaining screws. Test the door for smooth operation.

Used in

Common applications for PRIME-LINE
Residential garage door repair — PRIME-LINE keyed T-handles (GD 52169) for replacing broken lock handles on sectional doors.
Light-commercial door maintenance — PRIME-LINE spring cables (GD 52102) for torsion spring systems on warehouse overhead doors.
Sliding door security — PRIME-LINE slide locks (GD 52118) for bolting sliding garage doors in industrial storage facilities.
Garage door safety — PRIME-LINE stop balls (GD 52286) as travel limit stops on automatic door openers.
Extension spring door systems — PRIME-LINE extension cables (GD 52263) for replacing worn cables on residential garage doors.
Cabinet and locker hardware — PRIME-LINE keyed L-handles (GD 52123) for securing storage cabinets in maintenance shops.

PRIME-LINE Products

3G Electric supplies PRIME-LINE screen door hardware. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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