Marine Machining & Manufacturing

The Brown Jam Nut Set is a locknut to prevent vibration from loosening a bolted joint and jammed against a standard nut to lock the two in place. The jam nuts or half nuts are low-profile hex nuts...

Jam nuts are smaller than conventional nuts, about half the size. These nuts are both fitted onto the bolt and then tightened against each other in practice. There are several reasons why you would...

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...

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 PROP KNOCKER FOR 1 3/4" (PK114) from Marine Machining and Manufacturing is a high-quality Prop Knocker for inboard boats and is the easiest propeller removal tool available. Simply thread it on...

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...