bolts

Classic short-frame models

bolts

Postby dr dick » Sun Nov 26, 2023 1:54 pm

I've compiled a complete(?) listing of all the 57-69 bolt part numbers, diameters, threads per inch, and lengths by combing through the 57 to 69 parts books and supplements.

although there is one mystery: 4406b.
its in the 62 supplement under buddy seat.
anyone?
Last edited by dr dick on Sun Nov 26, 2023 2:22 pm, edited 2 times in total.
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Re: bolts

Postby dr dick » Sun Nov 26, 2023 2:14 pm

Bolts 57-69

3720 1/4–28 x 7/16 long

3728 1/4–20 x1/2 long

3738 1/4–28 x 1/2 long

3741 1/4–28 x 1/2 long 3/8 hex

3765 1/4–28 x 5/8 long

3767B 1/4–20 x 9/16 long

3791 1/4–28 x 3/4 long

3825 1/4–28 x 1” long

3831 1/4–20 x 1” long drilled

3838 1/4-28 x 1 5/16 long

3840 1/4–28 x 1 1/4 long

3947 5/16–24 x 3/4 long

3948 5/16–24 x 7/16 long

3952 5/16-18 x 7/16 long

3953W 5/16–24 x 1/2 long

3954B 5/16-24 x 1/2” long

3955W 5/16–24 x 1/2 long

3956 5/16–24 x 9/16 long

3959 5/16–18 by 9/16 long

3970B 5/16–24 x 1” long brake drum

3971 5/16–24 x 3/4 long brake drum

3974(HW) 5/16–24 x 3/4 long

3991 5/16-18 x 7/8 long

3996 5/16–24 x 7/8 long

4000 5/16-24 x 1” long

4001 5/16–24 x 15/16 long

4005W 5/16–18 x 1“ long

4012 5/16–24 x 1 1/8 long

4014W 5/16-24 x 1 1/4 long

4017 5/16-18 x 1” long

4020 5/16–24 x 1 3/8 long

4022W 5/16-18 x 1 1/8 long

4036 5/16–24 x 1 1/2 long

4041W 5/16–24 x 1 1/2 long

4042HW 5/16–24 x 1 3/4 long

4060W 5/16–24 x 2 1/4 long

4066 5/16–18 x 2 13/32 long

4072 5/16-24 x 2 5/8 long

4080 5/16 – 18 x 2 3/4 long

4082 5/16–24 x 3 1/16 long

4083W 5/16–24 x 3 3/4 long

4086 5/16–18 x 3“ long

4100 5/16–18 x 4 1/16 long

4102B 5/16-18 x 3 1/2 long

4106 5/16–18 x 4 7/16 long

4293 3/8-16 x 25/32 long

4300 3/8–16 x 7/8 long

4323 3/8–16 x 1“ long

4335W 3/8-24 x 1 1/8 Long

4336(W) 3/8–24 x 1 1/8“ long

4337W 3/8-24 x 1 1/4 long

4348 3/8–16 x 1 3/16 long

4354 3/8–16 x 1 3/8 long

4362 3/8–24 x 1 3/8 long

4370 5/16–24 x 1 9/16 long

4371B 3/8–16 x 1 5/8 long socket head

4372(w) 3/8–24 x 1 5/8 long

4374B 3/8–24 x 1 5/8 long

4379 3/8–24 x 1 23/32 long

4388B 3/8–24 x 2 1/16 long

4452(B)(HB) 3/8–24 x 2 1/2 long

4618W 7/16–20 x 7/8 long

4621 7/16–14 x 1 1/8 long

4660W 7/16–20 x 1 1/2 long

4680 7/16–20 x 2 1/8 long

4681W 7/16 –20 x 2 3/4 long

4714W 7/16–20 x 2 21/32 long

4826HB 1/2–20 x 1 7/8 long
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Re: bolts

Postby dr dick » Sun Nov 26, 2023 2:20 pm

3 points to investigate:

1)
3953w
3954b
3955w
does this shed light on the front fender/chainguard fasteners?
there were 3 different ones
7/16 hex head
1/2 hex head unmarked
1/2 hex head marked

2)
4036
4104w

3)
4372w
4374b
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Re: bolts

Postby epinut » Mon Nov 27, 2023 11:43 am

boon.jpg
boon.jpg (335.55 KiB) Viewed 4856 times
dr dick wrote:I've compiled a complete(?) listing of all the 57-69 bolt part numbers, diameters, threads per inch, and lengths by combing through the 57 to 69 parts books and supplements.

although there is one mystery: 4406b.
its in the 62 supplement under buddy seat.
anyone?
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Re: bolts

Postby Ferrous_Head » Mon Nov 27, 2023 6:16 pm

It's not in my 59-62 supplement dated Sept 1961.
"I know only too well the evil that I propose, but my inclinations get the better of me."
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