The products

The contents have the same unit problem

On this page11

Several leaves in this group are sized in two incompatible systems And the two systems produce near neighbors that do not interchange Which makes a sorted set useless unless the system is recorded somewhere That is the same structure as the capacity column on this shelf In both cases the number is correct and insufficient A thread designation is also a pair of numbers rather than one Which has a practical consequence for how many containers a set needs The shelf is well supplied for that at the small end of the range Collets are the leaf where getting it wrong costs the most And none of that is a claim about any container References

M6 by 1.0, or quarter inch twenty. The part does not say which.

Several leaves in this group are sized in two incompatible systems

Drill bits come in fractional inch, number and letter gauges, and metric. Taps and dies come in metric and in unified inch threads. Collets come in both. The part itself carries no indication of which.

And the two systems produce near neighbors that do not interchange

A quarter inch is 6.35 millimeters and sits beside a 6 millimeter bit. A quarter inch twenty thread and an M6 by one are close in diameter and have different pitches entirely.

Which makes a sorted set useless unless the system is recorded somewhere

The bit does not say. The packet said, and the packet is gone once the set is decanted, so whatever is written on the container is the only surviving record of which system the contents belong to.

That is the same structure as the capacity column on this shelf

215 of 238 containers were specified in fluid ounces and 23 in milliliters or cubic centimeters, and the stored figure gives no indication which. The unit lives in a separate field.

In both cases the number is correct and insufficient

236.588 is a correct milliliter figure. A 6.35 millimeter measurement of a quarter inch bit is correct too. Neither tells you the system the thing was specified in, and the system is what a buyer is working from.

A thread designation is also a pair of numbers rather than one

A diameter and a pitch, or a diameter and a thread count per inch. So the sorting key for taps and dies is two dimensional, which is unlike every other leaf on this shelf.

Which has a practical consequence for how many containers a set needs

A tap set sorted by diameter alone will put two pitches of the same diameter together, and those are the two that get confused. Sorting by designation rather than by size means more containers and fewer mistakes.

The shelf is well supplied for that at the small end of the range

Nine containers hold under 30 milliliters and 34 sit between 45 and 70. A single tap in a small jar is a reasonable arrangement where the alternative is a tray of unlabeled similar parts.

Collets are the leaf where getting it wrong costs the most

A collet is a precision taper and a bore, and a collet of the wrong system will seat and will not hold. Which is a failure that appears during a cut rather than during an inspection.

And none of that is a claim about any container

It is an observation about why this group needs the container to carry information the part does not. The jar is the label, which is the same conclusion the hardware properties on this shelf reach from a different direction.

References

The eight leaves in this group as the catalog indexes them: burr bit, collet, cutoff wheel, drill bit, router bit, sanding disc, saw blade small, and tap and die. 29 CFR 1910.1200 governs the classification and labeling of hazardous chemicals in the workplace. Nothing on these pages determines the status of any of these items under it.

The Davis Pack Supply catalog, measured 19 October 2026. Of this group’s 238 containers, the recorded capacity string is in fluid ounces for 215, in milliliters for 21 and in cubic centimeters for 2. The milliliter figure stored alongside it is arithmetic performed on that string: 1 oz becomes 29.573 mL on 4 rows, 2 oz becomes 59.147 on 29, 3 oz becomes 88.721 on 8, 4 oz becomes 118.294 on 44, 6 oz becomes 177.441 on 17, 8 oz becomes 236.588 on 47, 9 oz becomes 266.161 on 6, 12 oz becomes 354.882 on 19 and 16 oz becomes 473.176 on 31, with single rows at 0.75, 1.25, 1.5, 2.2, 8.4, 8.9, 10, 14 and 14.5 ounces. The 23 rows recorded natively carry 15, 30, 50, 55, 75, 100, 125, 150, 200, 250 and 500 milliliters, one or two rows each. There are 29 distinct capacity values across the 238 containers.

Written from 29 CFR 1910.1200 and from the catalog as it stood on 19 October 2026. That section is the Hazard Communication Standard and it governs the classification and labeling of hazardous chemicals in the workplace; it does not govern bits, blades, wheels or collets, and nothing here says it does. Nothing here determines whether any item is an article under paragraph (c), because that turns on a particular use. No container on this shelf is described as rated for any chemical, fluid or dust, and nothing here is guidance about handling a tool, about dust exposure, about ventilation or about protective equipment. This shelf is a subset of the store-small-dry shelf and the sewing notions property enumerates that shelf.