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I've been 'fooled' by that marketing ploy as well! Bamboo may be used to produce the cellulose from which the 'Rayon' thread is made but the thread is not made from bamboo fiber as the advertising is intended to make you believe. The concept that 'Bamboo' is a luxury material is down to it...

Just ordered a copy from eBay.

The main reason for just using the Barrel, rather than the Clutch, (with small components) is that one would normally hold the component in one hand and the Mic. in the other. The 'Frame' being held with the small & next finger against the Palm leaving the Thumb & Forefinger to turn the Barrel...

Economics! The boot should be on the other foot Dave . . . "Why aren't 'Adjustable' Taps made"? Looked at like that, I suggest that the answer is obvious. It's easy (ish) to make a Die which can be adjusted (within small limits) and therefore use one die to cut multiple diameters (1st...

The point about the 'clicker' (clutch) is that it makes it easy to always apply the same pressure to the part being measured. Tightening a Mic. using the barrel it is likely that the amount of pressure applied is dependant upon your own state of mind and fitness 🤣 The Clutch will always act...

Being 'Solid' doesn't (necessarily) mean 'cheapie' - I have both solid and split dies for all the threads that I generally need (all HSS). The solid version is used for the final cut which will be 'to size'. The split versions I use for the first, second ..... however many cuts I feel...

Apologies, Dave. From other conversation I have mis-understood your level of competence :) No, I wouldn't put the Die-Stock on the drill press bed, I'd clamp the work in a vice, (or collet chuck), put a small bar with an enlarged flat 'head' in the drill-chuck and use that to press down upon...

I'm somewhat surprised at that, Tracy are usually very good but I've just checked a number of suppliers and even my (normally) trusty Machinery's Handbook and can find very little information on Thread size - Die-Stock size combinations. From experience, I would expect a 7/32" or #12 die to...

#12 x 28 tpi is UNF not UNC - a different 'Standard' :)

There is insufficient contrast between the thread & the background for me to be certain about the thread-form but it does look most likely to be Unified. Enlarging the image in Photoshop and 'scaling' it seems that the OD is 5.5mm or 0.2165". Using the same image, the 'pitch' (over 6 crests)...

The easy way - though not fool-proof - would be to see whether the thread-form had a rounded or flat crest/root. A Whitworth Form (55°) will (if fully formed) have a rounded crest and root - but if the OD was reduced then it could have a flat. The UNC (60°) could have a rounded root but will...

No - John Hall did (Reply #16) I just tacked that on the end as an afterthought :) Do you not have a 'Thread Pitch Gauge' ? The difference between 24tpi and 1mm is palpable with well made sets. If you have one such as shown in the referenced Video then maybe not as much :)

There is no 7/32 BSW in the BS 84 : 1956 standard -- There is a 'non prefered' 7/32 dia. in the BSF series at 28tpi. That does not mean that the thread couldn't be 7/32 x 24 Whitworth - it's just not BSW! Why do you state the diameter in mm but the pitch in TPI ?? Is the diameter of the...

Overall that might be useful to someone with some existing knowledge (so that they can ignore the obvious errors) but there are a few bad referencies - close to the end he suggests that BSPT & NTP threads are interchangable !!! He does then say that the flank angles are different but doesn't...

At one time I had a note on all my Invoices that I only suppied & supported Epson Printers and only removed it when Epson made it difficult for small IT companies to buy at sensible prices by selling direct. I still recommend Epson Ink-Jet if the end user wants/needs Photo printing - no other...

ALL laser printer consumables have a 'life' ! The 'Drum' has the longest with many (most?) being in excess of 100k prints. I don't know of any that need a drum change at the same time as the toner - that would be 'silly'. Although I always recommend Genuine Epson Inkjet consumables, all other...

I'm sorry you are disturbed and even put off contributing further, and certainly did not intend my response to have anything like that effect. I've been in IT support for many years and am always astounded when anyone blames a third party for being 'hacked'. eBay - or any on-line supplier for...

I don't think there is much confusion - it seems to me that the OP is using a Metric Mic. and looking for readings down to 1 micron (0.001mm). Anyone working in Imperial measure and looking for readings down to 0.001" is looking for 1 thou. Those on the other side of the pond tend to despise...

I hadn't looked at Inspectors Link - now I have, there is just one 436.1 model that shows a capability of measuring to 0.001mm - the MXRL. As you can see my 'Google' comment was an Edit - I only added it because I couldn't find one. My post was really just to try to make it clearer to Munty...

As Dalboy has questioned, is your micrometer a 'Vernier' micrometer or not? Gerry has incorrectly mentioned 'Vernier' in his statement that it cannot read to 0.001mm. The essential thing is that the Mic has a 'Vernier' scale on the Sleeve. The Mitutoyo in the video posted by Pete is not a...