Master

Key blank K1 Master

Category: Hardware & Fasteners

SKU: MWFKEYK1

$0.58

In Stock · Midwest Builder & Supply — Iowa & Missouri

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Product Description

Master Lock K1 key blank — an unfinished brass, 4‑pin pin‑tumbler blank in the K1 keyway engineered for Master Lock W1 cylinders and ProSeries/padlock models. Sold for cutting to match an existing key or key code, this blank is the factory OEM profile used as the replacement/duplication blank for many Master padlocks (often stocked as Mfr. No. K1 or K1BOX in trade catalogs). Material: brass; keyway: K1; pins: 4; sold singly for cutting or in factory 50‑count boxes. See manufacturer/retailer pages below for model compatibility and package options.