Stainless steel bow chocks used to lead lines over port and starboard bow rails of a vessel while minimizing line and deck abrasion of working lines under load. These chocks are made of investment cast 316 stainless steel with the proper slant for a bow lead.
Available in two sizes and sold only in pairs. 4-3/4" requires (2) #10 flat head fasteners, and the 6" requires (2) 1/4" flat head fasteners for proper installation.
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Stainless Steel 316
How far apart are the center points for the bolts on the 4/3/4" chocks?
3 5/16" center to center.
Bolt holes center to center 3 7/8"
Bolt holes are 3 and 5/16 inches from center to center on the 4 and 3/4 chocks. Jerry
By my measurement, hole center to hole center is 2.5 inches.
I've already installed mine. But best I can see it looks to be 3 3/8" between bolt/screw centers.
3 5/16" center to center of the bolt holes.
is the hole spacing standard? The distance between the holes on the ones I am replacing is 3.25 inches. I don't want to redrill.
Sorry, the cc spacing on the set I bought is 4.75"
What size fasteners are needed for installation? Is oval head the preferred type?Thanks for the help!
I am using thid size bow chocks on a B/W harpoon and should work for the size line required for a 17' sailboat. Oval is preferred as I don't care for any sharp angles that someone or thing could get caught on. Hope this helps, Joe.
I used 10-24 stainless steel oval head screws to attach the Sea-Dog Bow Chocks
I used flat head screws. I don't remember what what size. Flat head will fit flush in the Chock. Also you get Two Chocks in each package. I didn't know this and now I have two extra
What is max line size on the 6" ones?
1 inch dock lines will fit into the 6 inch chocks. The 4 1/2 chocks only accept 1/2 inch because of the opening on the top.
Do these chocks come in chrome?
Well, polished stainless has long been used in marine and automotive applications. It looks like it is chrome plated and better yet the plating will never come off!! Good price and good quality.
yes mine are
Bill, I am a customer of JB, not an employee and I don't know if chocks come in chrome. I would advise against chrome for chocks - your dock lines are going to be rubbing against them day after day and chrome won't hold up to that - that is why they are made in stainless steel. I would also guess that as the chrome wore off it would become somewhat abrasive and prematurely wear out your dock lines so the money you save buying chrome would actually cost you more for new dock lines
would buy and recommend this product
Installed on bow of my 17' center console as a fair lead for docklines and or anchor line.
Florida panhandle, on the Gulf coast.
use 1/4 inch fasteners for 6 inch chocks
The online product specs should include the hardware size. It is printed on the packaging card and would make ordering easier to complete the installation. These chocks are a very good value.
I would recommend this product
good looking item, solid stainless steel.
Nice product(s), except incorrectly cast "L" left and "R" right. "R" is actually port and visa versa.
Not much to say, other than were just what I was looking for for my boat. Needed stainless for salt water environment.