14 best slotted nuts
A slotted nut, also known as a castle nut or a castellated nut, is a type of fastener commonly used in various industrial and mechanical applications. These nuts have a unique design that features slots or grooves on one end, which resemble the turrets of a castle. These slots are designed to accommodate a cotter pin or a split pin, which helps secure the nut in place and prevent it from loosening due to vibrations or other forces.
Key features and uses of slotted nuts include:
Locking Mechanism: The primary purpose of slotted nuts is to provide a locking mechanism that prevents the nut from backing off or coming loose. When the nut is tightened onto a threaded bolt or rod, a cotter pin or split pin is passed through the slots in the nut and through a hole in the bolt or rod. This pin creates a mechanical barrier, ensuring that the nut remains in place.
Security: Slotted nuts offer a level of security, as they are tamper-resistant. Unauthorized removal or tampering with the nut is difficult without first removing the cotter pin or split pin.
Common Applications: Slotted nuts are commonly used in applications where it's essential to prevent nuts from loosening due to vibration or where additional security is needed. Examples include automotive applications (such as securing tie rod ends and ball joints), construction equipment, machinery, and various industrial settings.
Materials and Sizes: Slotted nuts are available in a range of materials, including steel, stainless steel, and brass, depending on the specific application requirements.They are also manufactured in various sizes to accommodate different bolt or rod diameters.
Installation: To install a slotted nut, you would first thread it onto the bolt or rod and tighten it to the desired torque. Then, you would insert the cotter pin or split pin through the slots and the corresponding hole in the bolt or rod, bending the ends of the pin to secure it in place.
In summary, slotted nuts, also known as castle nuts or castellated nuts, are specialized fasteners designed to provide secure and tamper-resistant connections in industrial and mechanical applications. They are particularly useful in situations where vibration or the potential for nut loosening is a concern. These nuts are an important component in ensuring the safety and reliability of various mechanical systems.
Below you can find our editor's choice of the best slotted nuts on the market
uxcell M10 x 1.5mm Pitch 304 Stainless Steel Slotted Hex Nuts, Pack of 5
Uxcell
Product description
- Hex head, female threaded inside, zinc plated surface treatment.
- Made of carbon steel material, high hardness and perfect wear resistance.
- Used in conjunction with a mating bolt to fasten two or more parts together.
- Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut.
- Suitable for door handles, machinery industry and other small repairs around the shop, garage or home furniture fastener etc.
Specification:
Thread Size: (Female) M10
Pitch: 1.5mm
Material: Carbon Steel
Finish: White Zinc Plating
Edge width: 16mm / 0.62"
Height: 9.1mm / 0.35"
Package Content:
5 x Hex Nuts
- Pitch: 1.5mm.
- Width Measured From Flat to Flat: 16mm / 0.63"
- Slot Width: 2.8mm / 0.1"
- Overall Height: 9.1mm / 0.36"
- The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener
cSeao 6pcs 2 Holes M8 Barrel Nut Cross Dowels Slotted Nut for Furniture Beds Headboard Cribs, M8 x 60mm/ M8 x 90mm Barrel Nuts Kit
CSeao
Product description
Package include:
3pcs x M8*60 Nuts;
3pcs x M9*90 Nuts;
- Name: Cross Dowel Nuts;
- Include size: M8x60mm, M8x90mm;
- Material: Metal; Color: Silver;
- Used for: assembling beds, crib, cupboards and other DIY furniture.
20 Pack M8 Barrel Nuts Cross Dowels Slotted Nuts for Furniture Beds Crib Chairs
Asayu
Product description
Quantity: 20 pieces M8 Barrel Nuts
- Made of carbon steel material,anti-rust and anti-corrosion,strong and durable
- M8 thread (threaded hole diameter is 7.2mm); Thread pitch is 1.25mm; Outer diameter 12mm; Total length 15mm
- Used with Metric M8 bolts
- Widely used in the assembly of most beds, cots and flat pack furniture
- Quantity: 20 pieces, enough for you to use
Hilitchi 20-Pcs M6 Pozidriv Slotted Barrel Nuts Cross Dowels Slotted Nuts for Furniture Beds Crib Chairs - M6 x 15mm
Hilitchi
- ★ High Quality Zinc Plated Pozidriv Slotted Barrel Nuts
- ★ Product Name: Barrel Nut; Material: Zinc Plated Metal;
- ★ Size Include: M6 (Metric), Total Length: 15mm / 9/16 inch, the outer diameter is 10 mm/ 0.4 inch, the threaded hole diameter is 5.35 mm/ 0.21 inch
- ★ Package Content: 20-Piece
- ★ There are pozidriv dowel barrel nuts of furniture connecting fittings. Be suitable for the panel connecting of your panel furniture, office furniture, cabinet and wardrobe etc.
Glarks 75Pcs Metric M6 Barrel Nuts Cross Dowels Slotted Nuts Furniture Nuts for Beds Crib and Chairs - 5 Size of 11mm / 12mm / 13mm / 15mm / 20mm
Glarks
Product description
Glarks 120Pcs Metric M6 Barrel Nuts Cross Dowels Slotted Nuts Furniture Nuts
Material: carbon steel
Color: Brass tone
Size: M6x11mm, M6x12mm, M6x13mm, M6x15mm, M6x20mm
Application: Commonly fit for the assembly of beds, cots and flat pack furniture, also work well in joining wood, boards, kitchen worktops
Package details: M6
<1> 11 mm/ 0.43 inch ------------- 20pcs
<2> 12 mm/ 0.47 inch ------------- 20pcs
<3> 13 mm/ 0.51 inch ------------- 15pcs
<4> 15 mm/ 0.59 inch ------------- 15pcs
<6> 20 mm/ 0.78 inch ------------- 5pcs
Total: 75pcs
NOTE: Please read the second picture for specific size, please check the size carefully before purchasing, thanks for your support !
- √ 1. Product Type: High quality metric M6 barrel nuts cross dowels slotted nuts furniture nuts
- √ 2. Product Material: Made of carbon steel, strong and durable
- √ 3. Package Include: This kit include 5 size of M6*11, M6*12, M6*13, M6*15, M6*20 total 75pcs to match different sizes of screw bolts
- √ 4. Product Feature: These slotted nuts are hard material can fix better when matching with connector bolts
- √ 5. Application: Commonly fit for the assembly of beds, cots and flat pack furniture, also work well in joining wood, boards, kitchen worktops
User questions & answers
| Question: | What size is the thread hole? Looking for |
| Answer: | I believe it is to attach your your guitar case to hold the little information card that comes with the nut. |
| Question: | What is the diameter (in mm) of these cross dowels |
| Answer: | Yes more than likely. I think the Ltd is not as tall so you will have to file some off the bottom of the Graphtech |
uxcell M8 x 1.25mm Pitch 304 Stainless Steel Slotted Hex Nuts, 5PCS
Uxcell
Product description
- Hex head, female threaded inside, zinc plated surface treatment.
- Made of carbon steel material, high hardness and perfect wear resistance.
- Used in conjunction with a mating bolt to fasten two or more parts together.
- Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut.
- Suitable for door handles, machinery industry and other small repairs around the shop, garage or home furniture fastener etc.
Specification:
Thread Size: (Female) M8
Pitch: 1.25mm
Material: Carbon Steel
Finish: White Zinc Plating
Hex Width: 13mm / 0.51"
Height: 8mm / 0.31"
Slot Width: 2.5mm / 0.1"
Package Content:
5 x Hex Nuts
- Pitch: 1.25mm.
- Width Measured From Flat to Flat: 13mm / 0.51"
- Slot Width: 2.5mm / 0.1"
- Overall Height: 8mm / 0.31"
- The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener
Flammi 10pcs Metric M6 Barrel Nuts Cross Dowels Slotted Nuts for Most Furniture Beds Crib Chairs
Product description
Flammi Metric M6 Barrel Nut
Inner diameter/threaded hole diameter: 5.35mm
Thread pitch:1mm
Outer diameter: 10mm
Total length:12mm
Used with Metric M6 bolts. PLEASE NOTE These M6 barrel nut does Not work with Imperial 1/4-20 bolts
Please feel free to contact us for any problem, we are always standing by.
- Carbon steel, strong and durable
- M6 thread hole diameter is 5.35mm; Thread pitch is 1mm; Outer diameter 10mm; Total length 12mm
- Used with Metric M6 bolts; PLEASE NOTE these M6 barrel nut does NOT work with Imperial 1/4-20 bolts
- Widely used in the assembly of most beds, cots and flat pack furniture
- Please carefully read the size details before place an order to make sure this size is what you want
User questions & answers
| Question: | What is the diameter of the barrel nut |
| Answer: | Depending on the size of Quenelle, either will work well. The larger bowl is my preference, but if you are looking for a small one then go with the 7 7/8" |
| Question: | I'm new to all of this . I need cross dowels that will work with 5/18 bolts are these sized for it? The description clear for the savvy. I'm not savv |
| Answer: | Go by the title, sometimes that measures the packaging. |
| Question: | How many are in a bag |
| Answer: | This doesn't have a very good shape for one handed quenelles. I would recommend another spoon for quenelles |
| Question: | What is the thread pattern on the M6? 1.00 or |
| Answer: | These spoons are highly resistant to chipping and are designed and manufactured to resist wear in use of a commercial kitchen. |
The Hillman Group 2698 3/4-16-Inch USS Slotted Hex Nut, 4-Pack
The Hillman Group
Product description
Hex nuts are for general applications and are used with bolts and washers of the same finish. The most commonly used nut, they are often found in deck and fence building. The called out size is the inner diameter and the number of threads per inch or thread pitch.
From the Manufacturer
Hex nuts are for general applications and are used with bolts and washers of the same finish. The most commonly used nut, they are often found in deck and fence building. The called out size is the inner diameter and the number of threads per inch or thread pitch.
- Country Of Origin: China
- Package length: 1.25"
- Package Width: 2.5"
- Package Height: 1.43"
uxcell M12 x 1.75mm Pitch 304 Stainless Steel Slotted Hex Nuts, Pack of 5
Uxcell
Product description
- Hex head, female threaded inside, zinc plated surface treatment.
- Made of carbon steel material, high hardness and perfect wear resistance.
- Used in conjunction with a mating bolt to fasten two or more parts together.
- Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut.
- Suitable for door handles, machinery industry and other small repairs around the shop, garage or home furniture fastener etc.
Specification:
Thread Size: (Female) M3
Pitch: 0.5mm
Material: Carbon Steel
Finish: White Zinc Plating
Edge width: 5.5mm / 0.22"
Height: 2.4mm / 0.09"
Package Content:
100(+/-2%) x Hex Nuts
- Pitch: 1.75mm.
- Width Measured From Flat to Flat: 18mm / 0.7"
- Slot Width: 3.5mm / 0.1"
- Overall Height: 11.8mm / 0.5"
- The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener
Aopin Barrel Nuts Cross Dowels Slotted Nuts for Furniture Beds Crib Chairs, M8 x 17mm, 10Pcs
Aopin-Hardware
Product description
Description:slotted drive cross dowel nuts.
For joining wood, boards, kitchen worktops, cabinets, cupboards and a variety of other DIY projects.
Thread Specification: M8
Total Length: 17mm
Nut Diameter: 11.5mm
Material: Carbon Steel Zinc Alloy
Color: Golden
- Barrel Nuts Overall Size: 17 x 11.5 mm/ 0.67" x 0.45".
- Widely used in the assembly of most beds, cots and flat pack furniture, office furniture, cabinet and wardrobe etc.
- Only for metric M8 bolts, PLEASE NOTE these M8 barrel nuts does NOT work with Imperial bolts.
- Carbon steel galvanized, high hardness, anti-oxidation, durability, environmentally friendly, mercury-free and non-toxic.
- Package Content: 10 x cross dowel nuts.
PSCCO 2PCS M16 Stainless Steel Hexagon Slotted Nuts Moto Car Connecting Rod Wheel Alxe Hub Castle Nut
Product description
Material: 304 stainless steel
Size: M16
Height: 16.4mm
Single weight: 28.5g
Strength level: 12.9
- Material: 304 stainless steel.
- Size: M16; Height: 16.4mm
- To fix the front wheel bearing/hub to the main shaft.
- A hexagonal nut with opposing slots is cut into the top of the nut through the center of the plane. The groove is located at the end opposite the bearing surface.
- Slots for inserting split pins to hold nuts when used with drill pipe fasteners.
Hilitchi 20-Pcs M6 Pozidriv Slotted Barrel Nuts Cross Dowels Slotted Nuts for Furniture Beds Crib Chairs - M6 x 20mm
- ★ High Quality Zinc Plated Pozidriv Slotted Barrel Nuts
- ★ Product Name: Barrel Nut; Material: Zinc Plated Metal;
- ★ Size Include: M6 (Metric), Total Length: 15mm / 3/4 inch, the outer diameter is 10 mm/ 0.4 inch, the threaded hole diameter is 5.35 mm/ 0.21 inch
- ★ Package Content: 20-Piece
- ★ There are pozidriv dowel barrel nuts of furniture connecting fittings. Be suitable for the panel connecting of your panel furniture, office furniture, cabinet and wardrobe etc.
User questions & answers
| Question: | Can i use these for a bunk bed |
| Answer: | I throw them in the regular wash with my other underclothes. |
50 Pcs M6 Barrel Nuts Cross Dowels Slotted Nuts for Furniture, Cots, Beds, Crib and Chairs, M6 x 15mm
Asayu
Product description
Package Includes: 50 pieces of M6 x 15mm steel barrel nuts
- Material: Made of high quality carbon steel
- Size of the M6 Barrel Nuts: 15 mm in length
- Used with Metric M6 bolts
- Advantages in detail: play important role in fixing and connecting joints, small size, easy and convenient to store
- Package includes: 50 pieces of steel barrel nuts
uxcell M25x1.5mm Retaining Four-Slot Slotted Round Nuts, 4 Pcs
Product description
- Made of carbon steel, oxidized black finished, good rust and corrosion resistance.
- The pitch and spiral angle of the fine thread is smaller, which is more conducive to the self-locking, so the fine thread are generally used in places where it is necessary to prevent loosening.
- Design with thread inside, 4-slot slotted round nut.
- Operated with hook spanners (not included here).
- Widely used for roller bearing, axial shaft, pump valve, etc.
Specification:
Material: Carbon Steel
Finish: Oxidized black
Thread Size: M25x1.5mm
Type: Fine Thread
Outer Diameter: 39mm / 1.54"
Height: 10mm / 0.39"
Package Content:
4 x Slotted Nuts
- [THREADED SIZE] - M25 x 1.5mm
- [DIMENSION] - 1.54" (39mm) outer diameter, 0.39" (10mm) height.
- [MATERIAL] - Constructed from carbon steel, oxidized black finished, good rust resistance.
- [FEATURE] - Design with thread inside, 4-slot slotted round nut.
- [APPLICATION] - Widely used for roller bearing, axial shaft, pump valve, etc.
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