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LockDry� Aluminum Boat Dock Decking | Flotation Systems Aluminum Boat Docks Marine Nuts, Bolts & Screws - Since , iboats is the most trusted water lifestyle online store for boat parts and accessories, boats for sale, and forums. Enjoy great priced products with fast myboat304 boatplanson: West LeVoy Drive, Taylorsville, , UT. Mar 21, �� I always use stainless steel fasteners on my aluminum boat, and haven't seen any sign of corrosion. I use 3M for anything that may have to be undone, like mounting transducers. For blind applications, I use SS sheet metal screws or self-tapping machine screws if the metal is . Jun 05, �� Deck Screws or Self-Tapping Screws: These have a slightly smaller diameter shank to secure wood, fiberglass, soft Aluminum Boat Deck Screws 30 plastics. Pre-drilling recommended and can be accomplished with straight drill bits. Pre-drilling recommended and can be accomplished with straight drill bits.
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Bugle Head Screws: Like self-tapping screws with a smaller, shallower counter-sink head. Can be installed with or without a pilot hole and will sink into soft wood for a flush finish.

Often referred to as decking screws. Examples: used cabinetry case construction and cleating. Example: access screws to cover plate of water pump impeller, portlight trim rings, bow-thruster motor mounting screws. Hex Head Bolts: Most common bolt used can be partially or fully threaded. Ideal to drawing two parts tightly together. Example: securing alternator to adjustment bracket. Allen Head Bolts: Used like the hex head bolt, but is designed to have the head fit into a socket and flush with the surface.

Example: through-bolts that secure a windlass to the deck. Requires nut to secure. Example: wooden trailer bunk installation. Ideal for wrapping around one part to secure to another. Example: trailer parts, bow eyes.

Eye Bolts: Single threaded shank with eye head. Great as a through-bolted pad eye. Example: hold down rings for coolers. Hanger Bolts: Unique fastener that combines the coarse threads of a lag bolt with the fine threads of a machine bolt. These fasteners are typically installed in wood to provide a threaded stud to secure hardware with washers and nuts.

Example: motor mounts, steering system brackets. Flat Washers: Most common general purpose washer usually has similar footprint of hex head or nut. Ideal for metal parts or where loads do not require being spread over large area.

Example: through bolting stanchions bases or securing rod holders to metal framework. Fender Washers: Larger cousin to the flat washer. Designed with double the surface area to spread the load over a larger area.

Ideal for through-bolting hardware that carry heavy loads. Example: anchoring stand up blocks, through-bolting ladders to the flybridge. Ideal for applications exposed to high frequency vibrations. Example: through bolted parts on the steering pedestal or in areas close the engine.

Finish Washers: Molded washer to provide a clean look to non-countersunk screws. Example: secures canvas panels to bulkheads, used for frequently removed access panels. Hex Nuts: Most common has six sides for general use. Ideal for general applications that are not Aluminum Boat Deck Screws 4d exposed to heavy vibration. Can be used with thread locking products to resist loosening caused by vibration. Examples: Deck hardware through-bolted installations, installing mounting brackets for equipment and motor mounts.

Professionally viewed as a one-time use. Example: Used for just about any application where you want the nut to stay tight. Barrel Nuts: Unique threaded socket with truss head. Accepts machine screws and bolts and provides a low-profile Phillips or Allen socket truss head. Example: portlight, deck hardware and installations that benefit from a low profile head. Example: prop nuts. Tee Nuts: Threaded insert that installs from the back of a panel and locks into place with integrated teeth. These nuts are used when access for a nut and washer are limited or for applications that require a completely flush installation.

Example: hardware mounted to pedestals, mounting brackets for safety and other equipment and engine cover latches. Wing Nuts: Nuts designed to be hand-tightened using two small tabs cast into the nut.

Typically wig nuts are viewed as being inadequate for many marine applications because they are more prone to loosen. Examples: electronics mounting brackets, adjustable equipment such as interior lighting, supports for lockers and nav station tops, portlight dogs. Cap Nuts: Also called acorn nuts due to their shape. Drive Style. Head Diameter.

Thread Direction. Right Hand. Left Hand. Right Hand and Aluminum Boat Deck Screws No Left Hand. Head Height. Tensile Strength. Barrel Length. Thread Type. Thread Spacing. Thread Fit. Hex Size. Rounded Head Style. For Material Thickness. Socket Head Profile. Rounded Head Profile. Drive Size. Head Width. Send Cancel. How can we improve? Socket Head Screws.

Rounded Head Screws. Hex Head Screws. Flat Head Screws. Tapping, Wood, and Drywall Screws. Shoulder Screws. I am an electrician by trade I assumed the manufacturers know what they are doing I do not have any real data on whether the Aluminum Boat Deck Screws 24 presence of water changes this Salt water I do not know about that I cannot say I know if there is a difference between the alloys and whether one is okay and others are not.

I never really paid any attention to the type of stainless being used. I do not know if the marine alloy reacts differently with stainless than the conduit alloy.

The marine alloy has more boxite in it than the electrical alloy I know that this is not really a definitive answer for you I am not a metallurgist I never actually sat down a researched the topic. Here's what I know based on 15 years as a Manufacturing Engineer in the Aerospace Industry and I can give you the technical data if required.

If any of these elements is missing, galvanic corrosion cannot occur. If, for example, the direct contact between the two metals is prevented plastic washer, paint film etc. Electrical conduit and the extruded aluminum angles Black Bass would purchase from a local lumber yard are light years apart in design and are no comparison.

I'm not saying you can not use stainless fasteners, what I am saying to be sure to us a protective coating between the two metals.

From Catt: I'm not saying you can not use stainless fasteners, what I am saying to be sure to us a protective coating between the two metals.

In the Aerospace Industry it is known as installing fasteners wet with either a sealant or primer. As long as there is no metal-to-metal contact of dissimilar metals galvanic corrosion cannot occur. You can post now and register later. If you have an account, sign in now to post with your account. Paste as plain text instead. Only 75 emoji are allowed. Display as a link instead. Clear editor. Upload or insert images from URL. Write for BassResource!

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