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AGB Unitop Extension for Multipoint Locks – 200-400mm Length, Silver

AGB Unitop Extension for Multipoint Locks – 200-400mm Length, Silver

SKU: A40020.00.02.851

$28.35 - $28.35
$28.35
$28.35 - $28.35
$28.35
  • Faceplate Width: 5/8" (16mm)
  • Overall Length: 15-3/4" (400mm), may be cut down to 7-7/8" (200mm)
  • Finish: Silver
  • Type: Extension only – does not include any locking devices
  • Used to extend standard height AGB Unitop multipoint locks for taller doors
  • Multiple extensions can be combined for additional length
  • Sold individually
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Before you order, if you'd like confidence this is the right part for your job, please fill out our multipoint lock identifier form or call us at (816) 221-6543.
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AGB Unitop Extension 200-400mm, Silver (A40020.00.02.851)

This AGB Unitop extension allows you to increase the overall length of your standard AGB Unitop multipoint lock system to accommodate taller doors. The extension features a silver finish and can be used individually or combined with additional extensions for even greater reach.

The extension comes at a full length of 15-3/4 inches (400mm) and can be cut down to 7-7/8 inches (200mm) to fit your specific door height requirements. Please note that this is an extension piece only and does not include any locking devices.

Technical Information

  • Faceplate Width: 5/8 inch (16mm)
  • Overall Length: 15-3/4 inches (400mm), croppable to 7-7/8 inches (200mm)
  • Finish: Silver
  • Original Manufacturer SKU: A40020.00.02.851

Notes

  • The standard AGB Unitop 3-point lock has a 41-3/4 inch (1060mm) handle height and 75-5/8 inches (1920mm) overall length, not including top shootbolt or extensions
  • The basic unit with top shootbolt attached measures 82-5/8 inches (2100mm)
  • Adding one extension increases overall lock length by 15-3/4 inches (400mm), fitting doors up to 98-1/2 inches (2500mm) tall
  • Adding two extensions fits doors up to 114-1/4 inches (2900mm) tall
  • For taller doors, add additional extensions as needed

Related Parts

  • A40020.00.03.851 - Unitop Extension 400-600mm (600mm overall, croppable to 400mm)
  • A40486.00.01 - Terminal Shootbolt, 180mm no cam, Silver
  • A40486.00.02 - Terminal Shootbolt, 120mm no cam, Silver
  • A41455.xx.09.851 - Inactive Assembly, 2-pt shootbolt, 0cam (xx = backset)
  • A41455.xx.09.853 - Active Assembly, 3-pt shootbolt, 0cam (xx = backset)

Priced and sold individually.

Fill out our MPL form or call us to ensure accurate purchasing and correct fit.

Frequently Asked Questions

Can I cut this extension to a shorter length?

Yes, this extension comes at 15-3/4 inches (400mm) and can be cut down to 7-7/8 inches (200mm) to fit your specific door height requirements.

Does this extension include any locking mechanisms?

No, this is an extension piece only and does not include any locking devices. It is designed to extend the reach of your existing AGB Unitop multipoint lock system.

How many extensions do I need for my door?

One extension fits doors up to 98-1/2 inches tall, two extensions fit doors up to 114-1/4 inches tall. For taller doors, add additional extensions as needed.

At mplocks.com, we strive to provide fast, reliable, and fairly priced shipping. Below you'll find our standard shipping details, important notes, and packing practices.

Standard Shipping Rates

Shipping applies to the contiguous U.S. (orders to Alaska and Hawaii require a custom quote):

  • $11.95 – USPS First Class (5–10 business days)
  • $12.95 – USPS Priority Mail (3–6 business days)
  • $19.50 – UPS Ground (2–5 business days)

📦 Rates typically cover packages up to 4 lbs. Oversized or heavier items may incur additional charges.

Processing Times

  • Most orders ship within 2–5 business days of purchase.
  • If your order is delayed, we'll notify you promptly.

Important Notes on Shipping Costs

  • Certain items may have higher shipping costs due to weight or dimensions.
  • We reserve the right to adjust shipping fees. If this applies to your order, we'll contact you for approval before proceeding.
  • If you choose not to accept revised shipping charges, we may cancel your order at our discretion.

Backorders & Billing

  • All credit cards are charged within 72 hours of purchase.
  • This includes orders that contain backordered items.

Our Packing Standards

We take great care to ensure your order arrives safely and securely.

  • Whenever possible, we use recycled paper, cardboard, and eco-friendly packaging materials.
  • Many of our products are purchased in bulk and may not include retail packaging or barcodes. In these cases, items may be repackaged in secure, plain boxes.
  • Hardware ships in retail or contractor-grade packaging when available.
  • Every item is inspected prior to shipping, and additional packing is used if needed.

Quality Guarantee

All items are brand new unless specifically noted. If something is not right, we'll work to make it right—through repair or replacement.

⚠️ Please note: shipping costs are non-refundable.

If you have questions about shipping rates, timelines, or packaging, please contact us before placing your order.

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