Top 10 Hitch Coupler Lock – Hardware Pins

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1. AuInn

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AuInn Pack of 20 Wire Lock Pins, 5/16 Inch Shaft Locking Pin Heavy Duty Safety Coupler Pin Hitch Pin with Round Arch Wire Retainer for Trailers Lawn Garden

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AuInn #ad - Wide applications : great for table saw, boat, farming, truck, lawn, gardening, trailer and other locking applications. Quality material : made of high quality zinc plated carbon steel material resists corrosion, is durable and sturdy, will be suitable for long-term outdoor use.

Arch retainer wire clip provides a quick latch and added clearance. Secure design : these spring locking pins are structurally strong, wil not loosen during use. Secures coupler latches, jack legs, pintle hooks and more. Heavy duty hitch pin : 20 pcs shaft locking pins could work perfectly as a replacement for lose part and lock into position. 5/16" diameter : these hitch pins have an usable length of 2-1/4 inch 60mm and diameter of 5/16 inch 8mm, are suitable for quick release applications in most occasions.
BrandAuInn #ad
ManufacturerShanghai Shouxu Trading Co Ltd. #ad

2. Master Lock

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Master Lock 377DAT Trailer Hitch Lock

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Master Lock #ad - Trailer coupler lock features advanced locking mechanism to resist picking and prying. 51mm and most 2-5/16 in. Nickel-plated, zinc die-cast body with a front access key-way for ease of accessibility. Trailer lock is best used for vehicles, trailers, and RVs. 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. Includes one trailer coupler lock, two keys. Trailer hitch lock is constructed from zinc to resist rust and corrosion. Trailer hitch lock fits 1-7/8 in. 48mm, 2 in. 59mm trailer couplers.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height2.68 Inches
Length6.56 Inches
Weight1 Pounds
Width7.5 Inches
Part Number470-377DAT
Model377DAT
WarrantyLIMITED WARRANTY

3. Mcvcoyh

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V Hitches with Black Trailer Hitch Coupler Lock 3/4 Inch Span for Tow Boat RV Truck Car's Coupler, IV, Trailer Hitch Locking Kits Include Pin 5/8 Inch + Pin 1/4 Inch or Class III

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Mcvcoyh #ad - New feature: security of our hitch receiver lock, our upgraded Zinc alloy tubular lock core adopts more advanced anti-theft technology to improve safety. And watertight dust cap can protect the keyhole from water and dirt.

Corrosion resistant: our hitch trailer locking be made from solid high-strength steel, coated with black electrophoretic paint to prevent corrosion in all weathers. Equally easy to unlock hitch locking pin with just 1/4 key turn system. Please measure the size before you purchase - locking hitch pin's kits application, Fit Class I II III IV V Receiver Hitches, Hitch Bike Rack Tray Ball Tow Rope for Trailer Truck Car Boat To Secure Trailer for Towing and Storage.

Save time, avoid fumbling with keys design -- locking hitch pin for 2 inch receivers & more made easy to install with Push-to-lock technology. Trailer hitch receiver -- come with 4 keys, 5/8 pin inches have 2 keys, and the 1/4 pin have 2 keys, committed to keep your travel trailer and/or RV safe with one hitch pin lock.
BrandMcvcoyh #ad
Manufacturermcvcoyh #ad

4. VTurboWay

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Trailer Towing Bicycle Stroller Cargo Boat Stage Leg Hitch Hook Clip, 2 Pcs M6 Stainless Steel 316 Quick Lock Release Pin, Coupler Safety Pin

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VTurboWay #ad - Widely used for trailer, Boat, Bicycle Stroller Cargo, RV. Etc. All parts are made of marine grade 316 stainless steel, Excellent seawater corrosion resistance and durable. Made of high quality stainless steel 316, Strong corrosion resistance and dura-ble in saltwater circumstance, suitable for outdoor long-term use. Easy to install and perfectly secure coupler latches, pintle hooks, jack legs and more. Great for farm, hitch, garden, lawn, PTO and industrial applications.
BrandVTurboWay #ad
ManufacturerVTurboWay #ad
Part NumberQuick_Lock_Release_M6_2Pack

5. AuInn

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1/4 Inch x 1-3/4 inch Shaft Locking Pin Heavy Duty Safety Coupler Pin Hitch Pin with Round Arch Wire Retainer for Trailers Lawn GardenPack of 10, AuInn Wire Lock Pins

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AuInn #ad - Heavy duty locking pin : 10 pcs shaft locking pins could work perfectly as a replacement for lose part and lock into position. Secure design : these spring locking pins are structurally strong, will not be loosen during use.

Wide applications : great for table saw, lawn, farming, boat, truck, gardening, trailer and other locking applications. It is suitable for quick release applications in most occasions. Secures coupler latches, jack legs, pintle hooks and more. 1/4 inch diameter : the hitch pin has a usable length of 1-3/4 inch 44mm and diameter of 1/4 inch 6mm. Arch retainer wire clip provides a quick latch and added clearance. Quality materials : made of high quality zinc plated carbon steel material, resists corrosion, durable and sturdy, will be suitable for long-term outdoor use.
BrandAuInn #ad
ManufacturerShanghai Shouxu Trading Co Ltd. #ad

6. Famgee

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Famgee 10 Pieces Shaft Locking Pin Coupler Lock Pin Pto Hitch Pin with Round Arch Wire Retainer for Farm Trailers Wagons Lawn Garden Hitches 1/4 Inch Diameter Silver

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Famgee #ad - 1/ 4 inch diameter pin secures coupler latches, jack legs, pintle hooks and more. Made of high quality carbon steel material, zinc plated, durable and sturdy, suitable for outdoor long-term use. Square and arch retainer wire clip provides a quick latch and added clearance, different shape can meet your different needs. The fastener eliminates cotter pin loss and fits most quick release applications, gear, secure your equipment, convenient and easy-to-use, trailer loads etc. Great for lawm, farming, truck, trailer hitch receivers, DIY, gardening, PTO accessions and towing applications.
BrandFamgee #ad
ManufacturerFamgee #ad
Part NumberFG-L1s

7. Master Lock

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3 Keyed Alike Trailer & Multi Purpose Padlocks, 37KA-3, Master Lock

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Master Lock #ad - This listing is for three 3 padlocks keyed alike same key unlocks all and six keys. Shackle fits standard opening of 9/32" 7mm. The lock is also available with Bump Stop Technology. Application: ideal for outdoor applications when needing many locks that utilize only one key.

Note that non-rigid shackle has enough play to fit virtually all coupler latches less than 7/8 wide. Search 37nKA in our storefront. These locks have a removable shackle sleeve. To ensure you get two 3-packs keyed alike, you must order the 6-pack. Sleeve off - Secures coupler latches. To fit coupler latch: Remove the shackle sleeve. 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.

Specifications: 3/4" 19mm armored Shackle Guard helps block bolt cutters. 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. The 37 lock works on 1-7/8 & 2 inch couplers & on virtually all standard hasp applications. Attention: if you order two 3-packs they will NOT necessarily be keyed the same. Sleeve on - Works best with hasps.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Part Number37KA-3
Model37KA-3
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.

8. VTurboWay

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2 Pack Safety Coupler Pin 0.197" x 1.97"5mm x 50mm, Full Marine Grade 316 Stainless Steel Heavy Duty Shaft Locking Pin

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VTurboWay #ad - Made of high quality stainless steel 316, Strong corrosion resistance and dura-ble in saltwater circumstance, suitable for outdoor long-term use.

Our safety coupler pin has 1. 97" 50mm length and 0197" 5mm diameter,suitable for quick release applications in most situations. All parts are made of marine grade 316 stainless steel, Excellent seawater corrosion resistance and durable. Heavy duty shaft locking Pin work perfectly as a replacement for lose part and lock into position. Widely used in table saw, gazebo, finish mower and boom sprayer, gardening, lawn, plow, trailer, boat and top canopy part, truck, farming, satellite antenna, tractoror other locking applications.
BrandVTurboWay #ad
ManufacturerVTurboWay #ad
Part NumberShaft_locking_5mm

9. BOLT

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Lincoln & Land Rover Keys, BOLT 7023540 Padlock for Side Cut Ford

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BOLT #ad - Opens with your vehicles ignition key eliminating extra keys on your ring; Works with side cut Ford, Lincoln & Land Rover keys. Stainless steel lock shutter to keep out dirt and moisture, plate tumbler sidebar to prevent picking and bumping, double ball bearing locking mechanism.

2" chrome plated 5/16" Diameter hardened steel shackle. Stainless steel lock shutter to keep out dirt and moisture, plate tumbler sidebar to prevent picking and bumping, double ball bearing locking mechanism. Limited Lifetime Warranty. Opens with your vehicles ignition key eliminating extra keys on your ring; Works with side cut Ford, Lincoln & Land Rover keys. Please verify fitment by looking up the year, make and model of your vehicle. 2" chrome plated 5/16" Diameter hardened steel shackle. Limited Lifetime Warranty.
BrandBOLT #ad
ManufacturerBOLT #ad
Height1.97 Inches
Length4.53 Inches
Weight0.4 Kilograms
Width1.57 Inches
Part Number7023540
Model7023540

10. VTurboWay

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Full Marine Grade 316 Stainless Steel Heavy Duty Shaft Locking Pin, 2 Pack Safety Coupler Pin 1/4" x 1.97"6.3mm x 50mm

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VTurboWay #ad - Widely used in table saw, satellite antenna, plow, trailer, truck, lawn, gazebo, finish mower and boom sprayer, boat and top canopy part, farming, gardening, tractoror other locking applications.

All parts are made of marine grade 316 stainless steel, Excellent seawater corrosion resistance and durable. Heavy duty shaft locking Pin work perfectly as a replacement for lose part and lock into position. Our safety coupler pin has 1. 97" 50mm length and 1/4" 6. 3mm diameter,suitable for quick release applications in most situations. Made of high quality stainless steel 316, Strong corrosion resistance and dura-ble in saltwater circumstance, suitable for outdoor long-term use.
BrandVTurboWay #ad
ManufacturerVTurboWay #ad
Part NumberShaft_locking_6.3mm