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Locks are keyed alike w/ 6 total keys. Search 6271nka in Amazon's search window. This lock is also available with the BumpStop Technology. 2-7/8" 73mm wide reinforced zinc die-cast lock body see more product details below.
See image for reference - shackle dimensions - a: 3/8in 9mm b: 19/32in 15mm c: 1-23/32in 44mm. Lifetime guarantee. Lock body conceals the shackle! Fully shielded 3/8 9mm diameter hardened boron alloy shackle offers impossible to cut and pry resistance features. Fitment: please see more product details below to help ensure these locks will work.


Includes one padlock and hasp, two keys. 73 mm, 3/8 in. 23 cm, lock body diameter is 2-7/8 in. Carriage bolts recommended for installation bolts not included.


To ensure you get two 2-packs keyed alike, you must order the 4-pack. You will receive 4 keys with your order. This tough, trucks, shrouded lock/hasp combination is ideal for vans, gates, and vending machines.
Dimensions: lock - see image - a 3/8 10mm, b 19/32 15mm, c 1-23/32 44mm width 2-7/8 73mm. 6-pin cylinder for maximum pick resistance - Removable cylinder for replacement or repinning. Lock: hardened diecast zinc is strong, durable and resists corrosion. A similar listing is also available with the BumpStop Technology. A 1/4" gap is recommended for most applications. Search 770-6271nka in Amazons search window.

Guaranteed heavy duty padlock:solid steel chrome coating construction, Installtion:Use the hasp as the mounting template, the 1/4" Gap is recommended for most applications, the life time guarantee provide a confidence to choose polarpra padlocks.



The keys can only be removed from the padlock when it is in the locked position. A great solution for an added layer of security also available keyed alike. This padlock is heel toe locking with a freely rotating hardened steel shackle.
Key retaining and comes with 4 keys. Keyed different – fjm security locks ship keyed different - each key set fits a different lock. Heel and toe locking shackle that is freely rotating preventing cutting and sawing. Durable – constructed out of durable hardened steel, this padlock is triple chrome plated and uniquely suited to outdoor and marine environments. Perfect for – the lock's durable and weather resistant chrome exterior and its unique “D” shape make it the perfect solution for securing containers, gates and storage units.

Top 10 Hidden Shackle Padlock – Keyed Padlocks
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1. Master Lock
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Master Lock Hidden Shackle Locks Keyed Alike 6271KA-3
#adMaster Lock #ad - Three 3 high security proseries padlocks designed for commercial/Industrial applications. Ideal for transportation, vending and many other applications. To ensure you get two 3-packs keyed alike, you must order the 6-pack.Locks are keyed alike w/ 6 total keys. Search 6271nka in Amazon's search window. This lock is also available with the BumpStop Technology. 2-7/8" 73mm wide reinforced zinc die-cast lock body see more product details below.
More information #ad
Attention: if you order two 3-packs they will NOT necessarily be keyed the same. High security, re-keyable 6-pin cylinder with spool pins is virtually impossible to pick. See image for reference - shackle dimensions - a: 3/8in 9mm b: 19/32in 15mm c: 1-23/32in 44mm. Lifetime guarantee. Lock body conceals the shackle! Fully shielded 3/8 9mm diameter hardened boron alloy shackle offers impossible to cut and pry resistance features. Fitment: please see more product details below to help ensure these locks will work.
Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Height | 8 Inches |
Length | 5 Inches |
Width | 5 Inches |
Part Number | 6271KA |
Model | 6271KA |
Warranty | MASTER 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. |
More information #ad
2. Trimax
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Pack of 2, Trimax THP2XL Keyed Alike Trailer Door Lock
#adTrimax #ad - Two pack of tHPXL are keyed alike. Protects against bolt cutters, no exposed shackle to cut or saw. 2-7/8" diameter. Enlarged opening covers and secures ALL trailer hasps. Solid steel and thicker body with 3/8" diameter internal shackle.More information #ad
Brand | Trimax #ad |
Manufacturer | Trimax #ad |
Height | 3.7 Inches |
Length | 6.8 Inches |
Weight | 4.5 Pounds |
Width | 4.1 Inches |
Part Number | THP2XL |
Model | THP2XL |
Warranty | Lifetime |
More information #ad
3. Master Lock
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Master Lock M736XKAD Magnum Heavy Duty Solid Steel Hidden Shackle Padlock with Key, High Security Hasp
#adMaster Lock #ad - Key lock is made of zinc plated solid steel for maximum strength, reliability and corrosion resistance, hidden shackle design eliminates shackle exposure and protects against bolt cutter attacks.Includes one padlock and hasp, two keys. 73 mm, 3/8 in. 23 cm, lock body diameter is 2-7/8 in. Carriage bolts recommended for installation bolts not included.
More information #ad
Hasp length is 9-1/16 in. Indoor and outdoor padlock with key; lock and hasp is best used for moving trucks, vans, and buildings with sliding doors. Five-pin cylinder provides maximum pick resistance while key retaining safeguard ensures padlock is not left unlocked.Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Height | 4.8 Inches |
Length | 1.9 Inches |
Width | 10 Inches |
Part Number | M736XKADCCSEN |
Model | M736XKADCCSEN |
More information #ad
4. Mardili
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Mardili Lock Hidden Shackle Trailer Puck Padlocks Rekeyable Keyed Alike, Soild Steel, Pack of 3
#adMardili #ad - You will get three locks with six keyed alike keys. Kind reminder: please measure the size before purchasehigh security - this rekeyable 6-pin Cyliner with Spool Pins is virtually impossible to pick and with soild steel shackle, it can resist bolt cut and physical attacks! Heavy duty, the chrome surface is rust and temperature resistant which can withstand any weather, this lock is impossible to cut or pry, no spring to rust or jam.More information #ad
If the key needs to expose in very wet area, weather Resistant - Made of #45 Steel with the chrome surface, this may not suitable; Stainless steel material is more suitable but they are more expensive. Great value - genuine OEM Made, high quality with good price. What you get: 3 x reinforced steel Padlock; 30 days Hassle - Free return and replacement;. Attention: each lock comes with two keys and they are keyed Alike.Brand | Mardili #ad |
Manufacturer | Mardili #ad |
More information #ad
5. Master Lock
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Master Lock Hasp / Hidden Shackle Keyed Alike Padlocks 770, 6271KA-2
#adMaster Lock #ad - Hasp: solid steel powder coated construction. This listing is for two 2 high security hasps and two 2 keyed alike hidden shackle padlocks. Hasp measure 4-1/2 Wide X 9in Long. Attention: if you order two 2-packs they will NOT necessarily be keyed the same.To ensure you get two 2-packs keyed alike, you must order the 4-pack. You will receive 4 keys with your order. This tough, trucks, shrouded lock/hasp combination is ideal for vans, gates, and vending machines.
More information #ad
These high security pro series padlocks feature a "Bolt Cutter Tough", fully shielded hardened steel shackle that has pry resistant features and is virtually impossible to cut. To install: Use hasp as mounting template. Dimensions: lock - see image - a 3/8 10mm, b 19/32 15mm, c 1-23/32 44mm width 2-7/8 73mm. 6-pin cylinder for maximum pick resistance - Removable cylinder for replacement or repinning. Lock: hardened diecast zinc is strong, durable and resists corrosion. A similar listing is also available with the BumpStop Technology. A 1/4" gap is recommended for most applications. Search 770-6271nka in Amazons search window.
Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Part Number | 6271KA + 770 |
Model | 6271KA + 770 |
Warranty | MASTER 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. |
More information #ad
6. Polarpra
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Polarpra Hidden Shackle Padlock Set Keyed Alike with Hasp,Steel Chrome Coating with 2Keys and 6Pcs Original Fixed M8×80MM Bolts+Screws Ideal for Trailer,Vans,Gates and General Security,Easy to Install
#adPolarpra #ad - Safety heavy duty padlock:solid steel chrome plating, and 6-pin cyclinder for maximum pick resistance, copper lock core and hidden shackle design comes with 2 Pack Keys and 6PCS Genuine part M80×80MM installation bolts, key retaining safeguard design. Reliable heavy duty padlock:6-pin cylinder for replacement or repinning, Gates, Storage locks, and industrial uses, and buildings with sliding doors, Vending, Moving Trucks & Vans, protect your secrecy and property for more application:Transportation, continue to service for more customers.More information #ad
Ideal high security padlock:anti-rust material chrome coating, 6-pin cylinder easy to removable cylinder for replacement or repinning, the hardened diecast chrome body is strong, durable and resists corrosion, anti-theft and anti-cut, Complete with Bolts and Screws. Longenity sturdy padlock and hasp:the long life padlock because of solid steel chrome plating, All lock accessories prepare for you, and you never worried your things stolen and the 6-pin cylinder for maximum pick resistancen remind you lock the door, Install Polarpra padlock rightnow please. Guaranteed heavy duty padlock:solid steel chrome coating construction, Installtion:Use the hasp as the mounting template, the 1/4" Gap is recommended for most applications, the life time guarantee provide a confidence to choose polarpra padlocks.
Brand | Polarpra #ad |
Manufacturer | Polarpra #ad |
Height | 2.95 Inches |
Length | 5.91 Inches |
Width | 4.72 Inches |
More information #ad
7. Master Lock
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Solid Steel Hidden Hasp, Master Lock Hasp, 9 in. Wide, 770
#adMaster Lock #ad - High; designed for use with Master Lock model numbers 6270 and 6271 hidden shackle locks sold seperately. Lock application: for indoor and outdoor use; Best used for moving trucks, storefronts, and business gates.More information #ad
Maximum security: Hasp is designed from solid steel to withstand forcible attacks. Specifications: 9 in. Wide, 4-1/2 in.Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Height | 2.25 Inches |
Length | 5.25 Inches |
Weight | 2.9 Pounds |
Width | 4.82 Inches |
Part Number | 770 |
Model | 770 |
More information #ad
8. Master Lock
#ad
Master Lock Hasp/Hidden Shackle Padlock Combo 770-6271
#adMaster Lock #ad - Search 770-6271n in Amazons search window. A 1/4" gap is recommended for most applications. Bolt cutter tough" fully shielded hardened steel shackle offers impossible to cut and pry resistance features. To install: Use hasp as mounting template.More information #ad
Lock: high security 6-pin hardened die-cast steel body is strong, durable and resists corrosion. Hasp: solid steel powder coated construction. This lock is also available with the BumpStop Technology. Six 3/8 carriage bolts length determined by application, washers and nuts required per unit. Mounting hardware not included.Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Part Number | 770/6271 |
Model | 770/6271 |
More information #ad
9. FJM Security Products
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FJM Security Products FJM SPSA60-KA Triple Chrome Plated D-Shaped Security Padlock, 2-3/8
#adFJM Security Products #ad - This leaves no weak spots on the lock and prevents attacks by cutting or sawing. Won't wear out as all internal mechanics are brass and stainless steel. Unmatched security – fjm security crafts locks that last and security you can trust. Key retaining – padlock comes with 4 unique european style keys and is key retaining.The keys can only be removed from the padlock when it is in the locked position. A great solution for an added layer of security also available keyed alike. This padlock is heel toe locking with a freely rotating hardened steel shackle.
More information #ad
Hardened steel and chrome plated shackle making it great for marine use. The supremely durable construction make this padlock perfect for outdoor and marine spaces as well. Pick resistant and jimmy Proof as the keyway requires a 90 degree turn prior to connecting with disks. Key retaining and comes with 4 keys. Keyed different – fjm security locks ship keyed different - each key set fits a different lock. Heel and toe locking shackle that is freely rotating preventing cutting and sawing. Durable – constructed out of durable hardened steel, this padlock is triple chrome plated and uniquely suited to outdoor and marine environments. Perfect for – the lock's durable and weather resistant chrome exterior and its unique “D” shape make it the perfect solution for securing containers, gates and storage units.
Brand | FJM Security Products #ad |
Manufacturer | HitchSafe #ad |
Height | 6 Inches |
Length | 0.75 Inches |
Weight | 0.35 Pounds |
Width | 5 Inches |
Part Number | SPSA60-KA |
Model | SPSA60-KA |
More information #ad
10. WAR-LOK
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WAR-LOK Hidden Shackle Padlock
#adWAR-LOK #ad - Puck completely covers WAR-LOK hasp, making it impossible to cut. For key alike option, view our 2 Pack Puck Lock product. Best used for trucks, vans, vending, gates, storefront and business gates, industrial, and even trailer hitches.More information #ad
Lost keys can be replaced, if registered with manufacturer. Uses rotating disk lock technology; this isn't your average lock. Number listed on key tag needed.Brand | WAR-LOK #ad |
Manufacturer | WAR-LOK #ad |
Part Number | PKL-10-S |
More information #ad