Master Lock 418 Heavy Duty 4 Padlock Capacity Safety Lockout Hasp View larger

Master Lock

Master Lock 41 Heavy Duty Safety Lockout Hasp

Item normally ships out within 1-2 Weeks (excluding transit time). If out of stock it can take up to 3-4 weeks (excluding transit time). Specific options may or may not increase shipping time. For any reason, if there is a delay in shipping time we will notify you. Feel free to contact us if you have any concerns.


This product must be ordered in quantity increments of 12

Details: Master Lock 41 Heavy Duty Safety Lockout Hasp

  • Lockout Hasps
  • (A) Safety Hasps
  • Locking holes accommodate most standard lockout padlocks. 6T767 and 6T768 are vinyl coated high-tensile strength steel. 3PDD3 and 3PDD4 are 12 ga. steel and epoxy coated for rust resistance.
  • Lockout Hasp, Safety, Length 3 1/4 In., Height 3 1/4 In., Width 2 3/8 In., Dia. 1 In., Steel Material, Color Silver, Inside Jaw Dia. 1 In., 1 Locking Holes, Max. Shackle Dia. 3/8 In., Standards OSHA 1910.147
  • Heavy duty, 4 padlocks capacity

All orders must be in increments of 12

Lockout-tagout (LO/TO) safety procedures, as defined by Occupational Safety and Health Administration (OSHA), require that lockout devices be durable and standardized. Lockout devices use color, warning labels or tags, and a physical barrier to temporarily prohibit machine operation or power activation, and reduce accidents, during maintenance or repair. Lockout hasps are often used to secure energy sources in the off position during maintenance or repair when multiple workers are on the job. They consist of one shackle that can be locked closed by one or more padlocks, providing the ability to use multiple padlocks in a place where only one shackle will fit.

This hasp is for use as part of a lockout-tagout (LO/TO) safety procedure required at facilities where a device or energy source needs multiple-person authorization to be accessed safely. When used according to manufacturer's recommendations, this product is covered by a limited lifetime warranty against defects in workmanship or materials.

Master Lock Hasp Installation - Standard and Hinged Hasps

Master Lock OSHA Lockout Tagout

Available Model Numbers and Combinations

418 4 Padlocks
419 8 Padlocks


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Master Lock 41 Heavy Duty Safety Lockout Hasp

Master Lock 41 Heavy Duty Safety Lockout Hasp