Attribute Schema Library
Attribute schemaindustrial MRO

Hand Tools Attributes

Hand tools covers the non-powered end of the MRO tool aisle: wrenches and sockets, ratchets and torque wrenches, pliers and cutters, screwdrivers and nut drivers, hammers and punches, hex and Torx keys, files, clamps. It sells to plant maintenance and reliability crews, electrical and mechanical contractors, fleet shops, and the tool-crib manager replenishing against a min/max.

The category looks simple and isn't. The specs that decide a sale are binary and hidden. Black finish sits on both impact-rated Cr-Mo sockets and hand-use-only ones. "Insulated" describes both a tool proof-tested to IEC 60900 and a tool with plastic handles. "Non-sparking" covers two alloys approved for different ATEX zones. None of that is visible in a title.

Supply makes it worse. One tool family arrives from a dozen brands with a dozen naming conventions, sets and singles share a category, and the deciding attributes live in a datasheet footnote or a symbol stamped on the tool — not in a supplier data feed.

Core

Every SKU needs these. Without them the record is not a product, it is a row.

Tool Type
enum
Combination Wrench, Ratcheting

The node everything hangs off. A combination wrench, a diagonal cutter and a torque wrench share almost no filterable specs.

Manufacturer Part Number
identifier
D213-9NE

The only stable key across supplier feeds, punchout carts and RFQs. Buyers paste it into search and expect an exact-match hit.

Measurement System
enum
Metric

19 mm and 3/4 in are neighbours, not substitutes. Catalogs carrying only a title string let buyers order the wrong one.

Nominal Size (Head / Opening / Blade)
number · mm or in
19 mm

First filter a buyer touches. Must be the fastener size the tool fits, not the tool's own outside width.

Overall Length
number · in
9 3/4 in

Decides reach and clearance in a tight assembly, and leverage on breaker bars and long-pattern wrenches.

Sold As / Pieces per Set
enum
Set — 12 pc

Sets and singles live in the same category with the count buried in the title. Buyers filtering for one 19 mm wrench get 12-piece sets.

Differentiating

What buyers actually compare on. This is where catalogs win or lose the filter.

Drive Size
enum · in
1/2 in

Square drive must match the ratchets, extensions and torque wrenches already in the crib. ASME B107.4 is why brands interchange.

Number of Points
enum
12-point

6-point grips the flats and resists rounding; 12-point buys swing arc in tight quarters. Buyers filter this before brand.

Material
enum
Chrome molybdenum steel (Cr-Mo)

Cr-V is the hand-tool alloy; Cr-Mo takes impact loading. The alloy, not the finish, is what makes an impact tool safe.

Finish
enum
Black phosphate

Corrosion resistance and washdown acceptance, plus the visual cue buyers use to sort impact tools from hand tools.

Impact Rated
boolean
TRUE

The highest-consequence flag in the category. Finish does not answer it — black-finished hand-use-only sockets exist.

Handle / Grip Type
enum
Dual-material cushion grip

Grip drives comfort, slip resistance and washdown suitability. It is a live filter rail on every major MRO site.

Torque Range and Accuracy
range · ft-lb
30–250 ft-lb, ±4% CW

A torque wrench is bought on range and stated accuracy. ±4% of indicated value from 20–100% of capacity is the ISO 6789 norm.

Cutting Capacity
text
8 AWG solid / 10 AWG stranded copper

For cutters and strippers, the only spec that matters: what it cuts, in the wire size the electrician actually works in.

Compliance & identifiers

Standards, regulatory data, and the identifiers channels reject you for missing.

Insulation Rating
enum · V AC
1000 V AC / 1500 V DC — IEC 60900, ASTM F1505

NFPA 70E and OSHA 1910.331–.335 work needs a stated rating and a named standard, not the word "insulated" in a description.

Non-Sparking Alloy / ATEX Zone
enum
Aluminum bronze — Zones 1/2, 21/22

Beryllium copper covers Zone 0; aluminum bronze does not. "Non-sparking" alone cannot answer a Zone 0 buyer.

Country of Origin
identifier
Taiwan

TAA-designated origin gates GSA Schedule and federal MRO lines. Must be per-SKU and current — plants move.

GTIN-12 (UPC-A)
identifier
092644692130

Required to list on Amazon Business and to sync through the IDW. Sets and singles need distinct GTINs.

The fields that aren't in the schema at all

What most hand tools catalogs are missing.

The table above is the schema most catalogs already have. These are the attributes that usually aren't in it — each one surfaced by a signal from the live market rather than by an audit of what's already there. This is what Anglera's Schema Foundry does on a real catalog, in this category.

Supplier signal
+ Impact Rated

Manufacturers footnote "not for impact use" on black-finished hand sockets in the datasheet. The distributor record carries Finish only, so hand and impact sockets look identical on the PDP.

Buyer filters Finish = Black Oxide, runs a hand socket on a 1/2 in impact gun. Shattered socket, injury claim, and a return the distributor eats.

Search signal
+ Insulation Rating (V AC + standard)

Buyers search "1000V insulated pliers" and get free-text matches on the word "insulated". No field holds the voltage rating or names IEC 60900 / ASTM F1505, so the filter cannot exist.

NFPA 70E job packs won't accept an unstated rating. The line moves to whoever publishes the number — usually a specialist electrical distributor.

Competitor signal
+ Non-Sparking Alloy / ATEX Zone

Specialist non-sparking rails expose Alloy and ATEX zone as filters. General MRO catalogs carry "Non-Sparking: Yes" and put the alloy nowhere, or only in the title string.

A Zone 0 buyer cannot confirm beryllium copper from the record, so they can't buy. Aluminum bronze shipped into Zone 0 is a safety finding.

Competitor signal
+ Tether-Ready (ANSI/ISEA 121)

Manufacturers ship dedicated tether-point variants distinguished only by an MPN suffix. Competitor rails filter "Tethered / Tether-Ready"; most distributor catalogs have no such field at all.

Refinery and utility accounts with dropped-object programs can't assemble a compliant kit on the site. The whole basket goes to a safety specialist.

Supplier signal
+ Country of Origin (per SKU)

COO stored at brand level or copied once at onboarding. The same MPN ships from two plants, and the distributor reconciles from carton markings rather than a maintained field.

GSA Schedule and TAA-restricted lines require designated-country origin per item. An unverifiable COO gets the line struck from the bid.

How Schema Foundry finds these

Messy in, governed out.

The same value, spelled every way industrial MRO suppliers spell it. A filter only works once they agree.

Drive Size
1/2"1/2 in.0.5 in12.7 mm½ in Square1/2 Inch Drive
1/2 in

Suppliers send inch drive as decimals and as metric conversions. Un-normalized, a 1/2 in filter silently drops the SKUs sent as 12.7 mm.

Finish
Black PhosphateBlk PhosManganese PhosphatePhosphate & OilParkerizedBlack Industrial Finish
Black phosphate

Phosphate and black oxide are different coatings; feeds call both "black". Merging them destroys the cue buyers use to spot impact sockets.

Insulation Rating
1000V1,000 V ACVDE 1000 Volt1000V InsulatedIns. to 1000VAC/1500VDC
1000 V AC / 1500 V DC

"VDE" names a certifier, not a rating. Keep rating and standard in separate fields so buyers can filter volts and cite the standard.

Material
Cr-VCrVChrome VanadiumChrome Vanadium SteelCV SteelChrome-Vanadium Alloy
Chrome vanadium steel (Cr-V)

Cr-V and Cr-Mo arrive abbreviated and get transposed in keying. Cr-V on an impact socket is a spec error, not a spelling variant.

What buyers ask

Every one of these should be answerable from the attributes above. If it isn't, that's a gap.

  • Is this socket rated for an impact gun, or is it hand-use only?
  • It says insulated — is that a real 1000 V rating to IEC 60900, or just dipped handles?
  • What alloy are these non-sparking wrenches, and what ATEX zone does that cover?
  • Is the box end 6-point or 12-point? I keep rounding off nuts.
  • Is this 19 mm or 3/4 in? The drawing calls out metric.
  • What's the torque range and accuracy — do I need ±4% for this joint?
  • Is it made in a TAA-designated country? This is going on a GSA line.
  • Will my 1/2 in ratchet fit these, or do I need 3/8 in drive?

What channels require

The same SKU, different mandatory fields per destination.

Amazon Business
GTIN-12 (UPC-A) or approved GTIN exemptionBrand + Manufacturer Part NumberCountry of OriginItem Package QuantityCalifornia Prop 65 warning typeUNSPSC (Guided Buying and punchout)
IDEA Industry Data Warehouse (IDW)
UNSPSC — mandatory on every itemUPC / GTINManufacturer Part NumberSelling UOM + package quantityElectrical Attribute Schema valuesCountry of Origin
GSA Multiple Award Schedule
Country of Origin in a TAA-designated countryManufacturer + Manufacturer Part NumberUNSPSCUnit of IssueDescription carrying size and drive
Distributor site + Ariba / Coupa punchout
UNSPSCUnit of MeasureManufacturer Part NumberFilter set: size, drive, points, finishImage + spec sheet URL

Hand Tools data, in practice

How is an "insulated" hand tool different from an "insulating" one?

ASTM F1505 covers both. An insulated tool is a conventional metal tool — pliers, a nut driver, a socket — with an insulating coating applied over it. An insulating tool is made entirely of insulating material. Both are proof-tested well above their rating (commonly 10,000 V AC) and rated for use up to 1000 V AC / 1500 V DC, the working limit set by IEC 60900. Both must be marked with the double-triangle 1000 V symbol and the standard they meet. A tool with cushion-grip handles carrying neither symbol nor standard is not an insulated tool, and NFPA 70E work will not accept it. Model the rating and the standard as separate fields: "VDE" is a certifier's name, not a rating.

Why isn't Finish enough to tell an impact socket from a hand socket?

Impact sockets are typically chrome molybdenum (Cr-Mo) with a black oxide or phosphate finish; hand sockets are typically chrome vanadium (Cr-V) with polished chrome. The heuristic breaks in both directions: manufacturers sell black-finished sockets specified for hand use only, and black power/assembly sockets engraved NON-IMPACT. Finish is a coating attribute, not a rating. The real differences are alloy, wall thickness and heat-treat hardness, and none of them show on a photo. Carry Impact Rated as its own boolean sourced from the manufacturer's statement, and carry the through-hole for the retaining pin and O-ring as a separate feature if you sell impact-gun accounts.

Which non-sparking alloy should the record specify — and does it matter?

They are not interchangeable. Beryllium copper (copper-beryllium) is the harder, stronger alloy and is specified where ATEX Zones 0, 1 and 2 (gas, mist, vapour), 20, 21 and 22 (dust) and M1/M2 (mining) apply. Aluminum bronze is the lower-cost alloy and is generally rated for Zones 1 and 2 and 21 and 22 — not Zone 0. A record that says only "non-sparking" cannot answer a Zone 0 buyer. Two more things worth carrying: beryllium dust is a health concern if the tool itself is ground or polished, and standard non-sparking alloys are over 65% copper, which reacts with acetylene to form copper acetylide — so these tools must not contact acetylene directly.

Which ASME B107 standard applies to a given hand tool?

The B107 series splits by tool family, and the number is worth carrying on the record. B107.100 flat wrenches. B107.110 socket wrenches, handles and attachments. B107.300 hand torque tools and torque testers. B107.400 striking tools. B107.410 struck tools. B107.500 pliers and shears. B107.600 screwdrivers and screwdriver bits. B107.4 covers driving and spindle ends — the square drive geometry, which is why a 1/2 in drive from one brand fits another brand's socket. Publish the specific number rather than "meets ASME"; buyers writing tools into a maintenance procedure need to cite it.

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