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Master Lock 6321 Boron Shackle Pro Series Padlock

Keyed Different - Steel Body, Hardened Boron Alloy Shackle, Iron Shroud - Black

Item # MLK6321

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Retail/List price: $37.94
Your price:$25.03 for Each
You save 34%!
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Inventory last updated: 10/21/2016 9:15am EDT

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  • Dual ball locking mechanism resists pulling and prying
  • 5-pin cylinder with spool pins is virtually impossible to pick
  • Hardened boron alloy shackle provides maximum cut-resistance
  • Heavy steel body is capable of withstanding physical attacks
  • Shrouded design protects shackles from bolt cutters
The Manufacturer's Description Shrouded padlock is designed to protect the shackles from bolt cutters. Padlocks are designed for commercial and industrial applications. Heavy steel body is capable of withstanding physical attacks. Hardened boron alloy shackle provides maximum cut-resistance. Dual ball locking mechanism resists pulling and prying. High-security, rekeyable, five-pin cylinder with spool pins is virtually impossible to pick. Padlock is great for use with truck doors, trailers, vans, moving trucks, manufacturing environments and more.


Product TypePadlock
Brand NameMaster Lock
ManufacturerMaster Lock, LLC
Product NameBoron Shackle Pro Series Padlock
Package TypeRetail
Product LineProSeries
Manufacturer Part Number6321
Manufacturer Website Address
Packaged Quantity1 Each


Shackle Size0.31" Diameter - 0.75" Vertical Clearance - 0.88" Horizontal Clearance
Country of OriginUnited States
Recycled Content0%
Assembly RequiredNo
FeaturesCut Resistant
FeaturesPry Resistant
Lock ConfigurationKeyed Different
MaterialSteel Body
MaterialHardened Boron Alloy Shackle
MaterialIron Shroud
Limited WarrantyLifetime


UPC code071649040078
Alternate code/substitution
Moore prefix and stock number
Product Classification CodeKOAA
Country of OriginUS
Ready to AssembleN
Recommended substitutions
Old item number
Minority/Women-Owned/Challenged Vendor
Old item number
Special order itemN
Relevant TermsMaster Lock Company,Safety & Security,Locks,Key Entry Padlocks,Pad Locks,Pro Series Rekeyable Padlock,Boron Shackle,Steel,Locking,High-security
 padlocks master 6321 1017911026 46171501 071649040078 217285948 mlk6321 mlk 6321 0071649040078 00071649040078 master lock boron shackle pro series padlock keyed different steel body hardened boron alloy shackle iron shroud black No Boron Shackle Pro Series Padlock ProSeries Padlock 0
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