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Green aluminum full-barrel caulk gun with smooth rod plunger and twin Hytrel cup

Newborn

Newborn 620-AL-GREEN Caulk Gun 24 oz 18:1 Green

SKU CH-QAK4-8FY2V

A 24 oz sausage-pack caulk gun with an 18:1 thrust ratio, aluminum barrel and three plastic nozzles

  • High 18:1 thrust ratio delivers strong dispensing force
  • 24 oz capacity handles large sausage-pack cartridges
  • Aluminum barrel resists corrosion and reduces weight
  • Smooth-rod plunger provides steady, controlled material flow
  • Includes three plastic nozzles and twin Hytrel cups for multi-chemical use

24 oz Sausage-Pack Caulk Gun

The Newborn 620-AL-GREEN is a manual caulk gun built for 24 oz sausage-pack containers. Its 18:1 thrust ratio delivers high force for dispensing thick sealants and adhesives. The full-barrel aluminum frame keeps the pack aligned during heavy use. It suits contractors and DIYers who apply medium-to-high viscosity materials regularly.

Twin Hytrel Cup and Three Nozzles

The gun includes a multi-chemical resistant twin Hytrel cup that separates from the barrel for quick pack changes. Three plastic nozzles are supplied so you can match the bead profile to the joint without hunting for tips. The cup design reduces waste by collapsing cleanly as material empties. Standard grip styling keeps the tool familiar for all-day work.

Aluminum Barrel with Smooth-Rod Plunger

A full-length aluminum barrel resists dents and corrosion on job sites. The smooth-rod plunger advances evenly, preventing the jerky flow that causes voids in deep joints. Green powder-coat finish adds visibility in a tool bag and protects the metal from moisture. No battery or hose is required, so the gun works wherever the work is.

How it compares

Measured against everything we stock in Caulking & Sealing Supplies, at today’s prices. Recalculated every night.

Price $64.99
Pricier than about 83% of the 631 comparable items (median $16.99).

Specifications

Product
Brand nameNEWBORN

Questions about this item

How often will the smooth rod plunger need lubrication or replacement on the Newborn 620-AL-GREEN?

The smooth rod plunger has no scheduled lubrication interval; wipe it clean after each use and replace only if wear prevents a full stroke.

What limits continuous dispensing with the 18:1 thrust ratio on this 24 oz sausage pack gun?

Hand fatigue from the 18:1 mechanical advantage typically limits session length before the aluminium barrel or twin Hytrel cup reaches any thermal or pressure bound.

Does the aluminium barrel on the green full-barrel frame get hot during all-day sealing work?

The aluminium barrel stays near ambient temperature because the tool is manually driven and generates no internal heat during extended operation.

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