Marine Machining & Manufacturing

Quickly remove or replace your prop with this 1/2-13 Jam Nuts Set by Marine Machining. They stand up to extreme conditions and resist vibration to secure the propeller. The material used in the...

Jam nuts are smaller than average nuts, roughly half the size. In actual use, these nuts are well-tightened against one another after being screwed onto the bolt. You might utilize jam nuts for...

This jam nut 5/8-11may be used to secure screws and bolts with a broad head range from 5/8 to 11 with a wrench 15/16". It is composed of alloy steel, which gives a high degree of durability, and it...

Brass construction

Remove your inboard boat propeller quickly and easily using the Marine Machining & Manufacturing Prop Knocker. It is the facile propeller removal tool on the market. Directly thread it onto the prop...

Wondering about the best way to get that prop off the shaft? Easy. The new and improved Prop Knocker for 1 ¼” (PK78) is right in front of you. Engineered and crafted by a trusted brand - top-quality...

The simplest propeller removal tool available. Just thread it on the prop shaft and strike with a hammer. Inertia does the rest.

The simplest propeller removal tool available. Just thread it on the prop shaft and strike with a hammer. Inertia does the rest.

The simplest propeller removal tool available. Just thread it on the prop shaft and strike with a hammer. Inertia does the rest.

Indispensable tool to quickly and safely remove propellers. Simply back off the propeller shaft nut a few turns, slip the puller over the wheel, hook the square head screws into their sockets and...