Best Titanium Dive Knife - 2019 Reviews

We revised our list of best titanium scuba diving knives on the market in 2019
Here are our top choices based on verified buyer experiences:

  1. Promate Scuba and Snorkel Titanium Dive Knife >> titanium blade with rubber molded handle with sheath
  2. Atomic Aquatics Ti6 Titanium Dive Knife >> serrated edge and large line-cutting notch
  3. U.S. Divers 5-Inch Titanium Diving Knife  >> 1-piece blade and tang assembly
  4. Promate Barracuda 5 Inch Titanium Diving Knife  >> quick release and adjustable straps

Our Top Choices - Scuba Diving Knives

Considered as a full sized knife, the Promate Titanium Blade Dive Knife has an overall length of 9.45 inches (24 cm) from tip to tip while the actual blade length is 4.45 inches (11.3 cm). There are two selections that you can choose: the blunt tip or the drop point tip design. The drop point tip design acts as a regular dive knife while the blunt design has a double function which can also serve as a screwdriver.

Regardless of what design you pick, the Promate Titanium Blade Dive Knife has a durable stain and corrosion resistant titanium material. The knife has a straight edge feature with a full tang blade on one side while the other side has a partially serrated edge. It also has a line cutter located on the opposite side of the knife. Handling and gripping the knife with your hands is pretty much safe courtesy from its ergonomic handle and a durable rubber grip that has finger ridges and a titanium butt that acts as a tank banger. As with the knife cover or sheath, it has an acrylonitrile butadiene styrene plastic sheath that has a double button push release for a double security lock. The entire knife mechanism is secured and fastened using a double corrosion proof rubber leg straps.

The Atomic Aquatics Ti6 Titanium Dive Knife comes in two design: the Blunt Edge and the Drop Point Series. Both series are made from corrosion resistant full tang titanium alloy. It features an elegantly curved 4 inch (10 centimeters) cutting blade with a serrated edge, a large line cutting notch, a lightweight locking cover sheath with a quick release push button and adjustable rubber straps for safe fastening to your body.

While many have considered the Atomic Aquatics Ti6 Titanium Dive Knife a small knife, technically it is a full knife. Many of its users have tried integrating this knife into their bcd. You can do it if you choose the smaller size that has a smaller hand grip and can fit most of the free spaces in your bcd. Some of its users have used tie wraps and snorkel keeper to securely place the knife. However, despite these modification made by most of its users, we highly recommend not to do any change and wear this knife on your legs as it is designed to be mounted on that kind of surface.   

The US Divers Titanium 5-inch Diving Knife is considered a handy diving accessory especially when it comes to underwater emergencies. Many have considered it to be an efficient cutting tool as it can handle any cutting task with ease. This cutting efficiency is brought to you by its 5 inches (12.7 centimeters) titanium blade that has a one-piece tang that is classified as sturdy and sleek. The top portion of the blade has a serrated edge which is purposely designed to cut through any hard and tough material. On the other side, the bottom part of the knife is molded with a line cutter that is situated just next to the main blade.

The US Divers Titanium 5-inch Diving Knife is protected with its cover sheath that has a built-in quick release locking mechanism and adjustable rubber straps designed for leg attachment. The backend of the knife has a heavy stainless butt cap and a gray handle that gives you a comfortable grip. Further, it has a lanyard hole that is designed for small rope attachment.

This knife is considered as one of the longest titanium dive knife available as the whole unit measures 9.5 inches (24 centimeters). Also, finally, when it comes to maintenance and cleaning, this knife is one of the easiest to maintain and clean as the whole unit can be completely disassembled.

When Buying a Titanium Dive Knife

The use of stainless steel makes a dive knife heavy. This is the reason why most new scuba diving knife brands and models are made of titanium.

A dive knife has a holder called sheath with a quick release button and an adjustable strap where you can securely and safely fasten it in your body, which is typically attached on the lower leg part.

Especially the blade of a diving knife, is made from a material that can withstand the elements present in our diving environment, like salt which can lead to corrosion. Stainless steel is one of the conventional metal used in making a dive knife, and its anti-corrosion properties is made possible through the addition of carbon on its alloy. Titanium diving knives are generally lighter in weight as compared to their stainless steel counterparts. On top of the weight difference, another significant distinction for titanium diving knives is that they are virtually corrosion resistant. It is made up of a transition metal that has a low density but high in strength and can perpetually withstand the corrosive effects of saltwater and chlorine enriched water.

On top of selecting a titanium-based diving knife, you have to remember that there are certain features that you need to consider before purchasing one. The blade must have a serrated edge where you can use it to cut high-density ropes and small cables. It should also have a blunt butt which can function either as a pounding mechanism or tank banger which can assist you in calling the attention of your buddy and the rest of the group.

Cressi Lima (2.95" blade) tactical Dive Knife is a total of 6.30" optimal for diving or snorkeling.  Easily attachable to a BCD or gauge hose for easy access.  A cover for protection and 

Snake Eye Tactical Stainless Dive Knife II is a great back up knife.  Cheap and simple coming with straps to attach anywhere on the body.  Can be used as a #1 or #2 knife for that price point!

Promate Titanium Dive Knife (4 3/8" blade) with straps and sheath is great for anywhere on the body with a serrated edge and smooth side no seaweed or lines will get you or your buddy tangled.

Dive Master 2 knife Navy Seals Scuba knives is a great deal.  2 for the price of one.  Great quality with straps, serrated and smooth edge ready to go!

Spyderco Salt rust free serrated edge scuba Knife.  Easy clip on, easy access and great locking mechanism.  Straps sold separately but will get you out of the seaweed or fishing nets! 

Cressi Borg has it all with a strap, cover and smooth, serrated and pointed tip.  You are protected and will be for a long time with the Cressi Dive Knife.

Promate Barracuda Sharp Tip Titanium Diving Knife. Easy strap system to the body, plastic cover for protection and SHARP!  Great value that will last.

Fury Tactical Extreme Dive Knife comes with straps, cover for protection and easy access in the water.  Ready when you are.

Scuba Choice 5' Spearfishing, 2 piece fiberglass pole with 3 prong spears.  Comes with carrying case.  Fish not included!

Cressi Comanche spearfishing gun is accurate with a 4 line release for speed and power.  You will be eating dinner in no time!

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