help finding these fasteners - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**zicc1835** · 02-12-2026, 10:17 PM

where to find 5/16 24 to fit in these ill call beveled ??? on the pulley I purchased used long a go with out the bolts .....I can put 5/16 24 hex heads with a lock and a flat ....but that aint right ...

**Rickysnickers** · 02-12-2026, 10:19 PM

I have pulleys similar to this. I used beveled allen head screws.

**zicc1835** · 02-12-2026, 10:19 PM

also what they would be called I could look on McMaster-Carr

**zicc1835** · 02-12-2026, 10:20 PM

Quote:

Originally Posted by Rickysnickers

I have pulleys similar to this. I used beveled allen head screws.

thank you ill look for those....

**57taskforce** · 02-12-2026, 10:27 PM

https://www.mcmaster.com/products/bo...head-screws~~/
I would go with the correct size and length of these…
Countersunk is the correct term.

**zicc1835** · 02-12-2026, 10:34 PM

Quote:

Originally Posted by 57taskforce

https://www.mcmaster.com/products/bo...head-screws~~/
I would go with the correct size and length of these…
Countersunk is the correct term.

57taskforce
thanks so much for making that real easy on me.... order placed

**pjmoreland** · 02-13-2026, 12:05 AM

It's also called a Flat Head Cap Screw (FHCS)

**Rickysnickers** · 02-13-2026, 10:34 AM

https://www.mcmaster.com/products/so...BoC-i8QAvD_BwE

**c30** · 02-13-2026, 10:40 AM

Amazon has a great selection of hardware.

**57taskforce** · 02-13-2026, 11:16 AM

Quote:

Originally Posted by zicc1835

57taskforce
thanks so much for making that real easy on me.... order placed

You’re welcome man, happy to help.

**Smitty** · 02-13-2026, 12:06 PM

There could be different angles on the countersink as well. Might try to find out the stated angle on a search of the manufacturer of the pulley before ordering. Generally they are pretty standard, but once in a while an odd ball slips in.

LS short box · 02-13-2026, 05:23 PM

To me they look like standard flat head bolt holes in the pulley.
I'm sure they would have the bolts at the local "Ace" hardware store in stainless or mild steel.
Oh maybe it's just the pic but confirm they are 5/16" and not 3/8". Also confirm course or fine thread.

Rambler62 · 02-13-2026, 06:14 PM

You could also try total stainless I believe they have them

HalfBrit · 02-13-2026, 06:26 PM

https://www.grainger.com/product/4GV...RoCCi0QAvD_BwE

Joyridin · 02-13-2026, 06:55 PM

Probably an 82 degree machine head screw. Go to your local True Value or Ace Hardware and they will have them in SS or steel.

**zicc1835** · 02-13-2026, 07:47 PM

thanks for all the help very much appreciated .....if anyone needs, drop me a PM I will now have extras

LS short box · 02-13-2026, 09:48 PM

Just one more note, the typical flat head bolt we used at work was a allen head hex bolt.

**zicc1835** · 02-13-2026, 11:23 PM

thanks

vics stuff · 02-14-2026, 11:11 AM

Your best luck is go to your local ACE hardware store. There you will find what you are looking for .
Vic

**zicc1835** · 02-16-2026, 10:08 PM

thanks for all the responses if anyone has a need for these https://www.mcmaster.com/products/bo...head-screws~~/ I have extras I can put them in a envelope and send them ..NC..... at least in CONUS

02-12-2026, 10:17 PM	#1
zicc1835 Senior Member Join Date: Mar 2011 Location: Hanover NJ Posts: 4,842	help finding these fasteners where to find 5/16 24 to fit in these ill call beveled ??? on the pulley I purchased used long a go with out the bolts .....I can put 5/16 24 hex heads with a lock and a flat ....but that aint right ... Attached Images __________________ Grand Theft Auto https://67-72chevytrucks.com/vboard/...d.php?t=855961 Doc & Kim build http://67-72chevytrucks.com/vboard/s...d.php?t=722288 I am from the desert http://67-72chevytrucks.com/vboard/s...d.php?t=650332 basket case build SOLD http://67-72chevytrucks.com/vboard/s...d.php?t=648557

02-12-2026, 10:19 PM	#2
Rickysnickers Senior Member Join Date: Oct 2014 Location: Eagle, ID Posts: 3,406	Re: help finding these fasteners I have pulleys similar to this. I used beveled allen head screws.

02-12-2026, 10:19 PM	#3
zicc1835 Senior Member Join Date: Mar 2011 Location: Hanover NJ Posts: 4,842	Re: help finding these fasteners also what they would be called I could look on McMaster-Carr __________________ Grand Theft Auto https://67-72chevytrucks.com/vboard/...d.php?t=855961 Doc & Kim build http://67-72chevytrucks.com/vboard/s...d.php?t=722288 I am from the desert http://67-72chevytrucks.com/vboard/s...d.php?t=650332 basket case build SOLD http://67-72chevytrucks.com/vboard/s...d.php?t=648557

02-12-2026, 10:27 PM	#5
57taskforce All about them K’s Join Date: Jun 2014 Location: Land of Entrapment Posts: 6,975	Re: help finding these fasteners https://www.mcmaster.com/products/bo...head-screws~~/ I would go with the correct size and length of these… Countersunk is the correct term. __________________ Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne: 5” lift, 35’s, front dana 60 blah blah blah… http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB: 4” lift 33”s… in a million pieces http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 35x12.5x20’s

02-13-2026, 12:05 AM	#7
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 7,023	Re: help finding these fasteners It's also called a Flat Head Cap Screw (FHCS)

02-13-2026, 10:34 AM	#8
Rickysnickers Senior Member Join Date: Oct 2014 Location: Eagle, ID Posts: 3,406	Re: help finding these fasteners https://www.mcmaster.com/products/so...BoC-i8QAvD_BwE

02-13-2026, 10:40 AM	#9
c30 Active Member Join Date: Feb 2015 Location: chicagoland Posts: 108	Re: help finding these fasteners Amazon has a great selection of hardware.

02-13-2026, 12:06 PM	#11
Smitty Senior Member Join Date: Dec 1999 Location: Spring Valley, Ca. Posts: 1,170	Re: help finding these fasteners There could be different angles on the countersink as well. Might try to find out the stated angle on a search of the manufacturer of the pulley before ordering. Generally they are pretty standard, but once in a while an odd ball slips in. __________________ Smitty '71 Short Fleetside Spring Valley, Ca.

02-13-2026, 05:23 PM	#12
LS short box Registered User Join Date: Jun 2015 Location: Carlos MN Posts: 2,592	Re: help finding these fasteners To me they look like standard flat head bolt holes in the pulley. I'm sure they would have the bolts at the local "Ace" hardware store in stainless or mild steel. Oh maybe it's just the pic but confirm they are 5/16" and not 3/8". Also confirm course or fine thread.

02-13-2026, 06:14 PM	#13
Rambler62 Registered User Join Date: Apr 2017 Location: Freeport Fl Posts: 40	Re: help finding these fasteners You could also try total stainless I believe they have them

02-13-2026, 06:26 PM	#14
HalfBrit Registered User Join Date: Feb 2021 Location: Kernersville, NC Posts: 148	Re: help finding these fasteners https://www.grainger.com/product/4GV...RoCCi0QAvD_BwE

02-13-2026, 06:55 PM	#15
Joyridin Registered User Join Date: Sep 2020 Location: Cleveland, Ohio Posts: 703	Re: help finding these fasteners Probably an 82 degree machine head screw. Go to your local True Value or Ace Hardware and they will have them in SS or steel.

02-13-2026, 07:47 PM	#16
zicc1835 Senior Member Join Date: Mar 2011 Location: Hanover NJ Posts: 4,842	Re: help finding these fasteners thanks for all the help very much appreciated .....if anyone needs, drop me a PM I will now have extras __________________ Grand Theft Auto https://67-72chevytrucks.com/vboard/...d.php?t=855961 Doc & Kim build http://67-72chevytrucks.com/vboard/s...d.php?t=722288 I am from the desert http://67-72chevytrucks.com/vboard/s...d.php?t=650332 basket case build SOLD http://67-72chevytrucks.com/vboard/s...d.php?t=648557 Last edited by zicc1835; 02-13-2026 at 11:19 PM. Reason: spell

02-13-2026, 09:48 PM	#17
LS short box Registered User Join Date: Jun 2015 Location: Carlos MN Posts: 2,592	Re: help finding these fasteners Just one more note, the typical flat head bolt we used at work was a allen head hex bolt.

02-13-2026, 11:23 PM	#18
zicc1835 Senior Member Join Date: Mar 2011 Location: Hanover NJ Posts: 4,842	Re: help finding these fasteners thanks __________________ Grand Theft Auto https://67-72chevytrucks.com/vboard/...d.php?t=855961 Doc & Kim build http://67-72chevytrucks.com/vboard/s...d.php?t=722288 I am from the desert http://67-72chevytrucks.com/vboard/s...d.php?t=650332 basket case build SOLD http://67-72chevytrucks.com/vboard/s...d.php?t=648557



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02-14-2026, 11:11 AM	#19
vics stuff Registered User Join Date: May 2011 Location: Reno Nevada Posts: 412	Re: help finding these fasteners Your best luck is go to your local ACE hardware store. There you will find what you are looking for . Vic

02-16-2026, 10:08 PM	#20
zicc1835 Senior Member Join Date: Mar 2011 Location: Hanover NJ Posts: 4,842	Re: help finding these fasteners thanks for all the responses if anyone has a need for these https://www.mcmaster.com/products/bo...head-screws~~/ I have extras I can put them in a envelope and send them ..NC..... at least in CONUS __________________ Grand Theft Auto https://67-72chevytrucks.com/vboard/...d.php?t=855961 Doc & Kim build http://67-72chevytrucks.com/vboard/s...d.php?t=722288 I am from the desert http://67-72chevytrucks.com/vboard/s...d.php?t=650332 basket case build SOLD http://67-72chevytrucks.com/vboard/s...d.php?t=648557

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