If you really need to know the pitch of a screw or bolt, a screw pitch gauge is probably the quickest and most accurate way to check. There’s no trying to thread into hole after hole in a plate — you just find the leaf with the teeth that match the screw threads, and read the marked pitch.
The Starrett 6 screw pitch gauge covers most common pitches you’ll run into. The substantial steel case houses thirty leaves with American National 60° threads ranging from 4 to 42 threads per inch. Starrett designed the narrow leaves to also fit internal threads, and a locking device at both ends of the gauge secures the leaves while in use.
Expect to pay about $30 for the Starrett 6 screw pitch gauge.
Screw Pitch Gauge [Starrett]
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{ Where can I purchase a set of the Dowel Rounding Planes or just the 1/2 inch one? I volunteer at an 1800's period national park... } – Jun 06, 9:49 PM
{ Is this available anymore, I have one getting worn out had for so long can't remember where I got it } – Jun 04, 9:30 AM
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{ It’s not something you can just buy or order form some one. It’s hand made and very cool gives me some ideas for my next... } – Jun 03, 12:30 PM
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{ These are miss-sized the 1/2 inch is actually 7/8 inch and calls for a 1/2 inch pilot hole } – Jun 02, 9:57 AM
I’d like to enquire Screw Pitch gauge for our internal use only. Please see below details:
Desc: Screw Thread Pitch Gauge
Qty: 1 set only (Combined metric and inches)
Usage: for diameter 1.00mm up to 10.00 mm & inches equivalent
Note: Must be suitable for both Machine Screws and Tapping Screw
Thanks and looking forward to receive your proposal.
Loralei