Master Lock

ProSeries 6421 Laminated Steel Padlock - Silver

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$42.08  / Pc
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The 6421 ProSeries weather tough covered laminated padlock features a 2-1/8in (54mm) heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. Padlock is available with or without core with a choice of 16 small format interchangeable cores to match this padlock to your door looks accepts standard SFIC OEM cores. The exclusive cover protects from water, ice, dirt and grime.

ProSeries 6421 Laminated Steel Padlock - Silver - 7/8" x 1 3/8"

  • Any quantities below 250 pieces or one pallet, we suggest you press the “Check Stock…” button to verify physical availability.
  • While we strive to maintain accurate data, we reserve the right to cancel orders due to errors.
  • Inventory is subject to change.

ProSeries 6421 Laminated Steel Padlock - Silver - 7/8" x 1 3/8"

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Product Info
    • Master Lock SKU - 6421WO. 2 1/8" x 2 13/32" Silver Padlock

    • Master Lock SKU - 6421LJWO. 2 1/8" x 2 13/32" Silver Padlock

    • Ideal for harsh outdoor conditions exclusive weather tough cover protects lock from water, ice, dirt and grime

    • ProSeries padlocks are designed for commercial/industrial applications

    • 2-1/8in (54mm) heavy steel body withstands physical attack

    • 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance

    • Dual ball locking mechanism resists pulling and prying

    • Lock available with or without core. Accepts standard SFIC OEM cores.

    • Rekeyable 6- and 7-pin core options.

    • Security gates and fences

    • Trailers, trucks, and towing

    • Trailers, vans and moving trucks

    • Truck doors

1 We place your order directly with the manufacturer using our wholesale account so you get fantastic pricing!
2 We put your name as the pickup person and email you as soon as your order is ready to be picked up.
3 Upon arrival at the store, give your order number and pick up your order hassle free - everything will already be paid for!

What if the warehouse closest to you doesn’t have the item you have selected in stock?

If the item is available at the manufacturer or another warehouse, they can usually transfer it to your selected pickup location within a few days. If the manufacturer provides this transfer as a courtesy, we’ll pass that courtesy on to you.

If there is a transfer fee or shipping is required, we’ll let you know the exact cost and estimated timeline so you can decide. We’ll always confirm with you before proceeding. If it doesn’t work for you, you’ll receive a 100% refund. If it does, we’ll proceed and email you when your order is ready for pickup.



Please don’t hesitate to contact us with any pickup questions toll free at
1-877-426-1500 or email us at info@stoneandtileshoppe.com