B2B & Suppliers
Packing List vs Commercial Invoice: Which Numbers Go Where
Packing list vs commercial invoice: the two documents share five numbers, and customs, the carrier and the buyer each reject the shipment over a different one.
B2B & Suppliers
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B2B & Suppliers
G90 vs Z275: Same Zinc, Three Ways to Read It Wrong
G90 vs Z275 are the same 275 g/m2 of zinc, total both sides. Here is how galvanized coating weight designations differ, and where export specs break.
B2B & Suppliers
How Many Pallets Fit in a Truck? EU vs US, Row by Row
How many pallets fit in a truck comes down to two numbers nobody sends you: the trailer internal width and your pallet footprint. Here is the math, and the law.
B2B & Suppliers
Duty-Free Commercial Samples: 4 Ways to Ship One in 2026
Duty-free commercial samples still clear customs, but the de minimis shortcut is gone. Four routes to ship a sample, what each one demands, and where they fail.
B2B & Suppliers
First Angle vs Third Angle Projection: Read It in 5 Seconds
First angle vs third angle projection decides which side of the sheet each view lands on. The 5-second test, the ISO rule, and where export orders break.
B2B & Suppliers
Conveyor Belt Specifications: What EP 800/4 6+2 X Locks In
Conveyor belt specifications decoded field by field: what EP 800/4 6+2 X commits you to, ISO 251 width tolerances, and the pulley diameter it already chose.
B2B & Suppliers
Rockwell vs Brinell vs Vickers: No Exact Conversion
Rockwell vs Brinell vs Vickers: what each test measures, which parts can take which, and why ASTM E140 calls every hardness conversion approximate.
B2B & Suppliers
ECT vs Mullen: Equivalent on Paper, Not on the Pallet
ECT vs Mullen decides whether your carton survives the stack or the forklift. What 32 ECT and 200# really certify, and which one you should specify.
B2B & Suppliers
Casting Tolerance Grades: What DCTG 12 Actually Allows
Casting tolerance grades decide what a foundry may ship. The ISO 8062-3 DCT chart in mm, the RMA machining allowance table, and how to write the callout.
B2B & Suppliers
ABEC vs ISO Bearing Tolerance Class: Two Scales, One Trap
ABEC vs ISO bearing tolerance class mapped in one chart, plus the inch-series scale that runs backwards and the runout a class upgrade actually buys.
B2B & Suppliers
IBC Tote vs Steel Drum: 49% More Liters Per Square Meter
IBC tote vs steel drum, decided with real numbers: footprints, UN codes 31HA1 and 1A1, retest clocks, and how much liquid each holds per square meter of floor.
B2B & Suppliers
H7/h6 Fit Tolerance: Clearance, Not Transition
H7/h6 fit tolerance is a clearance fit, not a transition fit. What H, h, 6 and 7 mean, the ISO 286 numbers at 25 mm, and where the code belongs.