Top 10 Trailer Lock Set – Keyed Padlocks

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1. BRINKS

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4-Pack, Brinks 673-70401 70mm Commercial Discus Lock with Stainless Steel Shackle

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BRINKS #ad - Suggested uses: tool box, gates, storage units, large locker facilities or other places where weather resistant security is required. Stainless steel shackle. Round shielded design minimizes shackle exposure. Black rubber bumper to protect valuables from scratching. Lock body is constructed of stainless steel.
BrandBRINKS #ad
ManufacturerBrinks #ad
Part Number673-70401
Model673-70401
WarrantyManufacturer Lifetime Warranty

2. Master Lock

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4 Keyed Alike Trailer & Multi Purpose Padlocks, 37KA-4, Master Lock

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Master Lock #ad - Note that non-rigid shackle has enough play to fit virtually all coupler latches less than 7/8 wide. To ensure you get two 4-packs keyed alike, you must order the 8-pack. Shackle fits standard opening of 9/32" 7mm. Revolving, case-hardened steel shackle sleeve resists cutting and sawing.

The lock is also available with Bump Stop Technology. These locks have a removable shackle sleeve. Search 37nKA in our storefront. Sleeve off - Secures coupler latches. This listing is for four 4 padlocks keyed alike same key unlocks all and eight keys. Attention: if you order two 4-packs they will NOT necessarily be keyed the same. Application: ideal for outdoor applications when needing many locks that utilize only one key. To fit coupler latch: Remove the shackle sleeve. Specifications: 3/4" 19mm armored Shackle Guard helps block bolt cutters.

Sleeve on - Works best with hasps. The 37 lock works on 1-7/8 & 2 inch couplers & on virtually all standard hasp applications. It will fit some 2-5/16 couplers, the exception being 2-5/16 couplers that have the latch partially recessed from the top surface of the coupler, or latches that are wider than 7/8. Important note: if using this style lock on a trailers coupler latch please be aware it is NOT recommended for all 2-5/16 couplers.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Weight3.5 Pounds
Part Number37KA
Model37KA
WarrantyMASTER LOCK PRODUCT WARRANTY: Limited Lifetime Warranty. Master Lock Company LLC (Master Lock) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge.  Simply contact Master Lock at www.masterlock.com or 1.800.464.2088 for instructions on obtaining repair or replacement.

3. Trimax

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Trimax THP2XL Keyed Alike Trailer Door Lock, Pack of 2

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Trimax #ad - Two pack of tHPXL are keyed alike. Enlarged opening covers and secures ALL trailer hasps. Solid steel and thicker body with 3/8" diameter internal shackle. Protects against bolt cutters, no exposed shackle to cut or saw. 2-7/8" diameter.
BrandTrimax #ad
ManufacturerTrimax #ad
Height3.7 Inches
Length6.8 Inches
Weight4.5 Pounds
Width4.1 Inches
Part NumberTHP2XL
ModelTHP2XL
WarrantyLifetime

4. Master Lock

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M115XTLF Pack of 2-Keyed Alike, Magnum Covered Laminated Steel Lock, 1-7/8 in. Wide, Master Lock Padlock

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Master Lock #ad - Includes: two padlocks, two keys; both keys open all locks. Width; extended shackle for application flexibility. Diameter shackle with 1-1/2 in. Wide lock body; 5/16 in.

Length, 13/16 in. Padlock application: for indoor and outdoor use; Lock is best used for residential gates & fences, storage lockers, sheds, workshops & garages, tool boxes and more. Specifications: 1-7/8 in. Durable design: lock includes dual armor construction: Laminated steel core with weather resistant cover and Rust-Oleum certified protection guarantees lock body will not rust; moisture seals and covered keyway provide added weather protection. Maximum security: 4-pin cylinder and dual ball bearing locking mechanism provides maximum pick and pry resistance; Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height1.2 Inches
Length6.2 Inches
Weight1.15 Pounds
Width5.9 Inches
Part NumberM115XTLFCCSEN
ModelM115XTLFCCSEN

5. Master Lock

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Master Lock Hidden Shackle Locks Keyed Alike 6271KA-3

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Master Lock #ad - Three 3 high security proseries padlocks designed for commercial/Industrial applications. Ideal for transportation, vending and many other applications. 2-7/8" 73mm wide reinforced zinc die-cast lock body see more product details below.

Search 6271nka in Amazon's search window. Fitment: please see more product details below to help ensure these locks will work. See image for reference - shackle dimensions - a: 3/8in 9mm b: 19/32in 15mm c: 1-23/32in 44mm. To ensure you get two 3-packs keyed alike, you must order the 6-pack. Lock body conceals the shackle! Fully shielded 3/8 9mm diameter hardened boron alloy shackle offers impossible to cut and pry resistance features.

Lifetime guarantee. High security, re-keyable 6-pin cylinder with spool pins is virtually impossible to pick. This lock is also available with the BumpStop Technology. Attention: if you order two 3-packs they will NOT necessarily be keyed the same. Locks are keyed alike w/ 6 total keys.
BrandMaster Lock #ad
ManufacturerPadlocks Keyed Alike - 3 Pack #ad
Height8 Inches
Length5 Inches
Width5 Inches
Part Number6271KA
Model6271KA
WarrantyMASTER LOCK PRODUCT WARRANTY: Limited Lifetime Warranty. Master Lock Company LLC (Master Lock) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge. Simply contact Master Lock at www.masterlock.com or 1.800.464.2088 for instructions on obtaining repair or replacement.

6. Master Lock

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Master Lock 178D Set Your Own Combination Lock, 1 Pack, Black

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Master Lock #ad - 25 mm width. 8 mm diameter shackle with 1 in. 2 in. Some instructions may incorrectly state shackle opens on l-o-c-k. Shackle is preset to open on 0-0-0-025 mm length, 1 in.

Indoor and outdoor padlock is best used as a school locker lock, and gate lock, gym lock, providing protection and security from theft. Set your own four-digit combination lock for easy combination recall; combination change tool included. Combo lock is constructed with a solid body for strength and weatherability, hardened steel shackle for cut resistance. See user manual in technical specifications section of this page for correct combination reset instructions. 51 mm wide lock body; 5/16 in.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height2.91 Inches
Length1 Inches
Weight0.3 Pounds
Width2 Inches
Part NumberFBA_178D
Model178D
WarrantyLimited Lifetime Warranty

7. Leisure Locks

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RV Travel Trailer Entry Door Lock Polar Black Paddle Deadbolt

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Leisure Locks #ad - Rv door locks for travel trailers come in Black. Includes; both inside & outside latches with 4 double edge keys one for Handle and one for Deadbolt.

Fits hole cutouts from 2 1/2" x 3 1/2" to 3" x 4" and door thicknesses from 1 1/4" to 1 1/2". Replaces most popular locks by Fastec, Global as well as other brands. This model is designed for travel trailers, yet works well with cargo haulers, horse trailers or custom utility trailers. This provides that extra sense of security. These rv door locks have a built in deadbolt. Fits most rv doors most common lock please check measurements - Complete with hardware, strike plates & screws.
BrandLeisure Locks #ad
ManufacturerLeisure Locks #ad
Height3 Inches
Length6.5 Inches
Weight2.54 Pounds
Width4.5 Inches
Part Number43308-987

8. Master Lock

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Master Lock 470-377DAT Nickel Chrome Finish, Zinc Die Cast Coupler Lock

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Master Lock #ad - One of the unique features of this product is the ratcheting shaft which allows it to fit most 1-7/8 inch and 2 inch couplers. Nickel-plated, zinc die-cast body with a front access key-way for ease of accessibility. Advance locking mechanism resists picking and prying. Uses the master lock K1 key system. Fits 1-7/8" and 2" couplers. Adjusts to fit many makes and models.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height2.68 Inches
Length6.56 Inches
Weight1 Pounds
Width7.5 Inches
Part Number470-377DAT
Model377DAT
WarrantyLIMITED WARRANTY

9. Master Lock

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Master Lock Pro Series Hidden Shackle Padlocks, Keyed Alike 6271NKA-2 w/BumpStop Technology

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Master Lock #ad - This listing is for 2 keyed alike locks - 4 keys included. Ideal for transportation, vending, and industrial uses. High security 6-pin cyclinder for maximum pick resistance.

These locks feature bumpstop Advanced Cylinder Technology For explanation see more product details below. Pro series padlocks are designed for Commercial/Industrial applications. The hardened diecast zinc body is strong, gates, durable and resists corrosion. Removable cylinder for replacement or repinning. Bolt cutter tough - fully shielded hardened boron alloy shackle offers impossible to cut and pry resistance features. Dimensions see image - a 3/8 10mm, b 19/32 15mm, c 1-23/32 44mm Width 2-7/8 73mm.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Part Number6271NKA
Model6271NKA
WarrantyMASTER LOCK PRODUCT WARRANTY: Limited Lifetime Warranty. Master Lock Company LLC (Master Lock) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge. Simply contact Master Lock at www.masterlock.com or 1.800.464.2088 for instructions on obtaining repair or replacement.

10. Master Lock

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Master Lock 8143D Combination Bike Lock, Black, 4 ft long

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Master Lock #ad - Protective vinyl coating prevents the cable from scratching your bike. Bike lock is best used for basic security as a theft deterrent. Bike lock cable is self-coiling and features braided steel for strength and flexibility. Preset four-digit combination bicycle lock for keyless convenience; combination cannot be changed. 8 mm diameter cable includes vinyl coating. Bike cable lock is 4 ft 1. 2 m long with 5/16 in.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height1.33 Inches
Length6.75 Inches
Weight0.25 Pounds
Width4 Inches
Part Number8143D
Model8143D
WarrantyLimited Lifetime Warranty