Aluminum Cradle Bunk Mounting Kit
The Aluminum Cradle Bunk Mounting Kit is designed to mount (2) aluminum cradle bunks onto aluminum boat cradle beams. Made from marine-grade 6061-T6 US aluminum. Laser-cut and machine punched. The bunk bracket and backup plate wedges to the cradle beam. Kits for 6 in. H x 4 in. Flange, 8 in. H x 5 in. Flange, or 10 in. H x 6 in. Flange cradle beams are available. Includes all stainless steel fasteners. Easy to install.
Installation
Simply drill your bunks using the angles pre-punched three holes as a guide and bolt your bunks directly to the angle.
Specifications
| Size: | 6 in. Web x 4 in. Flange | 8 in. Web x 5 in. Flange | 10 in. Web x 6 in. Flange |
| Mounts: | (2) Aluminum Bunks | (2) Aluminum Bunks | (2) Aluminum Bunks |
| Plate Dimensions: | 6 1/2 in. L x 4 in. W x 6 in. H | 7 1/2 in. L x 4 in. W x 6 in. H | 8 1/2 in. L x 4 in. W x 6 in. H |
| Plate Thickness: | 3/8 in. | 3/8 in. | 3/8 in. |
| Plate Weight: | 2.25 lbs | 2.25 lbs | 2.25 lbs |
| Mounting Holes: | 5 | 5 | 5 |
| Mounting Hole Size: | 5/8 in. | 5/8 in. | 5/8 in. |
| Bolt Size It Fits: | 1/2 in. | 1/2 in. | 1/2 in. |
| Cradle Bunk Mounting Hole Amount: | 3 | 3 | 3 |
| Cradle Bunk Mounting Hole Placement: | See Flange A | See Flange A | See Flange A |
| Cradle Beam Mounting Hole Amount: | 2 | 2 | 2 |
| Cradle Beam Mounting Hole Placement: | See Flange B | See Flange B | See Flange B |
| Cradle Beam Height It Fits: | 6 in. H | 6 in. H | |
| Material: | 6061-T6 US Aluminum | 6061-T6 US Aluminum | 6061-T6 US Aluminum |
| Plate Dimensions: | 6 1/2 in. L x 2 in. W | 7 1/2 in. L x 2 in. W | 8 1/2 in. L x 2 in. W |
| Plate Thickness: | 1/2 in. | 1/2 in. | 1/2 in. |
| Plate Weight: | .60 lbs | .70 lbs | .80 lbs |
| Mounting Holes: | 2 | 2 | 2 |
| Mounting Hole Size: | 5/8 in. | 5/8 in. | 5/8 in. |
| Bolt Size It Fits: | 1/2 in. | 1/2 in. | 1/2 in. |
| Mounting Hole Placement: | Ends of Backup Plate | Ends of Backup Plate | Ends of Backup Plate |
| Cradle Beam Height It Fits: | 6 in. H | 6 in. H | 6 in. H |
| Material: | 6061-T6 US Aluminum | 6061-T6 US Aluminum | 6061-T6 US Aluminum |
| Cradle Bunk Bolt Type: | Hex head bolt | Hex head bolt | Hex head bolt |
| Bolt Material: | Stainless steel | Stainless steel | Stainless steel |
| Bolt Size: : | 1/2 in. x 4 1/2 in. | 1/2 in. x 4 1/2 in. | 1/2 in. x 4 1/2 in. |
| Bolt Amount: | 12 | 12 | 12 |
| Nut Material: | Stainless steel | Stainless steel | Stainless steel |
| Nut Size: | 1/2 in. | 1/2 in. | 1/2 in. |
| Nut Amount: | 12 | 12 | 12 |
| Washer Type: | Split / Lock | Split / Lock | Split / Lock |
| Washer Material: | Stainless steel | Stainless steel | Stainless steel |
| Washer Size: | 1/2 in. | 1/2 in. | 1/2 in. |
| Washer Amount: | 12 | 12 | 12 |
| Cradle Beam Bolt Type: | Hex head bolt | Hex head bolt | Hex head bolt |
| Bolt Material: | Stainless steel | Stainless steel | Stainless steel |
| Bolt Size: | 1/2 in. x 8 in. | 1/2 in. x 10 in. | 1/2 in. x 12 in. |
| Bolt Amount: | 8 | 8 | 8 |
| Nut Material: | Stainless steel | Stainless steel | Stainless steel |
| Nut Size: | 1/2 in. | 1/2 in. | 1/2 in. |
| Nut Amount: | 8 | 8 | 8 |
| Washer Type: | Split / Lock | Split / Lock | Split / Lock |
| Washer Material: | Stainless steel | Stainless steel | Stainless steel |
| Washer Size: | 1/2 in. | 1/2 in. | 1/2 in. |
| Washer Amount: | 8 | 8 | 8 |
Product Overview
- Easy to install
- Includes all stainless steel fasteners
- Includes bunk bracket, backup plate, and fasteners
- Made from 6061-T6 US aluminum
- Laser-cut brackets and machine punched holes
You may also like…
-
13,000 lb. Aluminum Pontoon Boat Cradle
Price range: $3,142.90 through $4,013.64 Select options This product has multiple variants. The options may be chosen on the product page -
12,000 lb. Galvanized Steel V-Hull Boat Cradle
Price range: $1,869.17 through $3,390.65 Select options This product has multiple variants. The options may be chosen on the product page -
13,000 lb. Aluminum V-Hull Outboard Boat Cradle
Price range: $3,257.54 through $4,378.78 Select options This product has multiple variants. The options may be chosen on the product page -
3,000 lb. Galvanized Steel Pontoon Boat Cradle
Price range: $1,684.44 through $2,138.84 Select options This product has multiple variants. The options may be chosen on the product page















