Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
PRIME-LINE Tension Spring Roller: Tension Spring Roller, 7 23/64 in Overall Ht, Unfinished - Screen Door Hardware
PRIME-LINEScreen Door Hardware

PRIME-LINE Tension Spring Roller: Tension Spring Roller, 7 23/64 in Overall Ht, Unfinished

The PRIME-LINE Tension Spring Roller (MPN B 640) is a screen door hardware component with a 7 23/64 in overall height, finished in gray with an unfinished surface. Supplied as a 1 PR unit, this tension spring roller…

SKU 3G-OTH-532612

Brand
PRIME-LINE
Item
Tension Spring Roller: Tension Spring Roller, 7 23/64 in Overall Ht, Unfinished
Category
Screen Door Hardware
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

PRIME-LINE
Manufacturer Part Number
B 640
Type
Unfinished
PR
1
Color
Gray
Finish
Unfinished
Overall Ht
7 23/64 in
Product Type
Tension Spring Roller
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

PRIME-LINE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PRIME-LINE Tension Spring Roller (MPN B 640) is a screen door hardware component with a 7 23/64 in overall height, finished in gray with an unfinished surface. Supplied as a 1 PR unit, this tension spring roller is designed for integration into 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 aligned and rolling smoothly within its track, ensuring proper operation and preventing binding or derailment.

What are the specifications of the PRIME-LINE B 640 tension spring roller?

The PRIME-LINE B 640 tension spring roller has an overall height of 7 23/64 in, a gray color with an unfinished surface, and is supplied as a 1 PR unit. It is designed for sliding screen door applications and is manufactured by PRIME-LINE.

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 640 or other screen door hardware components.

How to install a PRIME-LINE tension spring roller?

To install a PRIME-LINE tension spring roller, first remove the old roller from the screen door frame. Insert the new roller into the bracket, ensuring the spring engages properly. Adjust the tension as needed, then secure the roller in place. Always follow the manufacturer's instructions for your specific door model.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from PRIME-LINE

View all PRIME-LINE parts →
PRIME-LINE Tension Spring Roller: Tension Spring Roller, 5 7/16 in Overall Ht, Unfinished, 1 PR (MPN B 609). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Tension Spring Roller; Color: White.
PRIME-LINE
PRIME-LINE Tension Spring Roller: Tension Spring Roller, 5 7/16 in Overall Ht, Unfinished, 1 PR (MPN B 609). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Tension Spring Roller; Color: White.
PRIME-LINE Tension Spring Roller: Tension Spring Roller, 5 13/32 in Overall Ht, Unfinished, 1 PR (MPN B 576). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Tension Spring Roller; Color: Gray.
PRIME-LINE
PRIME-LINE Tension Spring Roller: Tension Spring Roller, 5 13/32 in Overall Ht, Unfinished, 1 PR (MPN B 576). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Tension Spring Roller; Color: Gray.
PRIME-LINE Latch and Pull: Sliding Handle and Latch Kit, 4 1/8 in Overall Ht, 4 1/8 in Overall Lg (MPN A 219). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Sliding Handle and Latch Kit; Color: Black.
PRIME-LINE
PRIME-LINE Latch and Pull: Sliding Handle and Latch Kit, 4 1/8 in Overall Ht, 4 1/8 in Overall Lg (MPN A 219). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Sliding Handle and Latch Kit; Color: Black.
PRIME-LINE Roller Assembly: Roller Assembly, 9 7/16 in Overall Ht, 9 7/16 in Overall Lg, Unfinished (MPN B 745). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Roller Assembly; Color: Gray.
PRIME-LINE
PRIME-LINE Roller Assembly: Roller Assembly, 9 7/16 in Overall Ht, 9 7/16 in Overall Lg, Unfinished (MPN B 745). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Roller Assembly; Color: Gray.
PRIME-LINE Latch and Pull: Sliding Handle and Latch Kit, 4 in Overall Ht, 3/8 in Overall Lg, Black (MPN A 150). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Sliding Handle and Latch Kit; Color: Black.
PRIME-LINE
PRIME-LINE Latch and Pull: Sliding Handle and Latch Kit, 4 in Overall Ht, 3/8 in Overall Lg, Black (MPN A 150). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Sliding Handle and Latch Kit; Color: Black.
PRIME-LINE Roller Assembly: Roller Assembly, 1 1/2 in Overall Ht, 1 1/2 in Overall Lg, Bronze, 1 PR (MPN B 605). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Roller Assembly; Color: Bronze.
PRIME-LINE
PRIME-LINE Roller Assembly: Roller Assembly, 1 1/2 in Overall Ht, 1 1/2 in Overall Lg, Bronze, 1 PR (MPN B 605). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Roller Assembly; Color: Bronze.
PRIME-LINE Sliding Handle: Sliding Handle, 4 in Overall Ht, 1 7/8 in Overall Lg, 1 7/8 in Overall Wd (MPN A 112). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Sliding Handle; Color: Black.
PRIME-LINE
PRIME-LINE Sliding Handle: Sliding Handle, 4 in Overall Ht, 1 7/8 in Overall Lg, 1 7/8 in Overall Wd (MPN A 112). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Sliding Handle; Color: Black.
PRIME-LINE Roller Assembly: Roller Assembly, 6 13/32 in Overall Ht, 6 13/32 in Overall Lg, 1 PR (MPN B 624). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Roller Assembly; Color: White.
PRIME-LINE
PRIME-LINE Roller Assembly: Roller Assembly, 6 13/32 in Overall Ht, 6 13/32 in Overall Lg, 1 PR (MPN B 624). Key specifications — Brand: PRIME-LINE; Finish: Unfinished; Product Type: Roller Assembly; Color: White.