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Starrett type clamps

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Stewart Hart10/04/2019 09:36:17
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These clamps are Based on Starrett No 160 tool makers clamps whilst I wouldn't call these clamps tool makers quality due to the constraints of home workshop construction they will be more than adequate for most home workshop. I made them as a perfect matching pair to enhance there usefulness.

There has been a number of discussions on the forum regarding these clamps with a lot of interest shown in them, the original Starrett clamps can be picked up on flebay they go for about £30 to £50 pounds and Starrett still sell them for around the same price.

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Any way this is my attempt

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And to show them as to one of their uses.

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They are made from standard size mild steel bar Body 1"*5/8" jaw 5/8" Sq bolt M8. Starrett fixed the jaw with a cerclip but I've used a M3 keep screw.

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Stew

David George 110/04/2019 12:01:57
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Very useful and cost effective nice job.

David

Vic10/04/2019 13:15:24
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You’ve made a nice job of those Stewart. wink

Neil Wyatt10/04/2019 23:37:37
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Nice

Stewart Hart11/04/2019 07:51:56
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Thanks for your comments and interest chaps

They wern't that dificult to make.

To make the bodies a matching pair I simply bolted them together and machined them as one. I was unsure just how much the cold rolled bar would distort due to releasing the stresses:- so I roughed them out first and let them stand for a couple of days then I skimmed the base and top flat this took out the distortion.

Roughing out

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Finishing off body

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The jaws couidn't have been easier you just have to drill the M3 hole for the keep first before drilling 6.5 using the self centerng four jaw chuck

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I used a M8 coach bolt to fabricate the screw and welded the knurled head in place.

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Total material cost about £6 and not much more than a days job

Drawing

model makers clamps.jpg

Stew

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