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Description

The OTTO H 37 Manual Squeeze Gun is a robust, manually operated dispensing gun for cartridges and bags. It is ideally suited to precise sealing and bonding work in the professional trades and in demanding DIY.

  • ✔ High transmission force for effortless dispensing
  • ✔ Stable metal construction for long service life
  • ✔ Ergonomic handle for comfortable working
  • ✔ Suitable for cartridges and foil bags
  • ✔ Clean, controlled material dispensing without afterflow

Areas of application

  • Precise processing of sealants, adhesives and silicones
  • Ideal for construction, assembly, sanitary, window construction and interior fit-out
  • Solves problems such as uneven material dispensing or tiring work
  • Compared with standard guns: higher force transmission and better control

Product details

The OTTO H 37 Manual Squeeze Gun impresses with its high-quality metal mechanism and a strong transmission that reliably dispenses even highly viscous materials. Thanks to the ergonomic handle design the hand stays relaxed even during longer jobs. The gun is suitable for cartridges and foil bags, so it can be used flexibly in construction, industry, trades and DIY projects.

For optimum results, even pressure and regular cleaning of the material holder are recommended. The robust construction ensures a long service life and reliable performance even under demanding conditions.

Technical data

Colour:Metal / Black
Container size:Cartridges & foil bags
Application temperature:+5 °C to +40 °C
Shelf life:Very durable metal construction
Standards / certificates:Manufacturer quality OTTO
Transmission:High force transmission for tougher materials
Material:Steel / aluminium
Compatibility:Standard cartridges & bags up to 600 ml

Technical data

Use
Merchandise group: Tools, painting supplies & protective equipment
Application
Application temperature: +5 °C to +40 °C
Product group: Hand cartridge guns

Frequently asked questions

Which materials is the OTTO H 37 suitable for?

It is suitable for silicone, acrylic, hybrid adhesives and other viscous sealants.

Can I also process foil bags with the gun?

Yes, the H 37 is suitable for both cartridges and bags up to 600 ml.

Is the gun suitable for highly viscous materials?

Thanks to its high transmission force, even tougher materials can be dispensed cleanly.

How do I care for the manual squeeze gun properly?

Regular cleaning of the material holder and moving parts extends the service life.

Is the OTTO H 37 suitable for professional use?

Yes, it was developed for daily use in the trades and is particularly durable.

Manufacturer information

Manufacturer information pursuant to Art. 19 EU GPSR

Postal address Hermann Otto GmbH
Krankenhausstr. 14
83413 Fridolfing
Germany

Electronic address info@otto-chemie.de

All products by OTTO Chemie

Information as of: 2026-09-17

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All reviews come from buyers. Reviews can only be submitted via the personal, signed link we send to the order's e-mail address after delivery; the link is bound to the order and the purchased item, there is no form without a purchase. We check every review before publication and publish positive and negative reviews alike. Reviews from our former shop baustoffhandel-nrw.de were migrated; there, too, only customers who had bought the item could review it.


For your project

These products go with it

Project: Apply sealant from the cartridge

Cut the cartridge tip off above the thread, screw on the nozzle and cut it at an angle to match the joint width. Insert the cartridge into the manual gun, mask the joint edges, inject evenly and smooth the joint immediately.

  1. Prepare the surface

  2. Tools & accessories

  3. Finish & care

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