Best Black Oxide Hex Nuts in 2026

【High Quality Stainless】These Lock Nuts are 100% 18-8 (304) Stainless Steel which is one of the highest forms of corrosion resistant metals, making it last longer than other Nuts on the market today.

【Locknuts That You Can Depend On】Our hex lock nuts are very strong and are great for both indoor and outdoor use. This stainless is superior to regular steel and provides excellent rust resistance. With a nylon insert, these lock nuts greatly reduce loosening under vibrations and torque.

【Great To Keep Around】Bolt Dropper hex nuts are great to have around for use in wood and wet environments. Bolt Dropper Hex Nuts are the highest quality available on the market and we stand by our claim 100%. They are strong, corrosion resistant and will support all of your projects.

Zinc coating for a corrosion resistant finish

USS coarse nuts for coarse threaded bolts

Be sure not to strip your nuts by over tightening

Thread Size:5/16-18; Thread Pitch: 18 TPI; Thread Type: Coarse Thread UNC

Hex Drive Size: 1/2"; Package: 25 PCS

Nut Width (from point to point): 0.57 inch; Nut Height: 0.27 inch; Specification Standard Meets ASME B18.2.2

Type：Hex Nut

Diameter-Thread Size：3/8"-16

Grade: 18-8

Diameter: 1/2"

Thickness: 7/16 inches

Material: Steel

304 STAINLESS MATERIAL: These Nuts are made from 100% 304 Stainless Steel which is one of the highest forms of strength and corrosion resistant metals, making it last longer than other Nuts on the market today. Even in bad environment like high temperature, cold weather, and high humidity areas. They have superior corrosion,rust resistance and the excellence of oxidation resistance, which can ensure long time using.

Dependable Kit: VIGRUE hex nuts are very strong and are great for both indoor and outdoor use. This stainless is superior to regular steel and provides excellent rust resistance. Non-toxic & pollution-free.

WIDER SIZE RANGE: Hex Nuts includes hex nuts and lock nuts, totally 520Pcs. According with standardized metric system. Total 7 different sizes can meet your different needs.

Machine screw hex nut has a flat top with a large bearing surface and chamfered corners

Steel is often used in applications where strength is the primary consideration

Zinc plating resists corrosion and has a reflective appearance

【Sizes】M2 M2.5 M3 M4 M5 M6 M8, total 360 pieces/7 sizes of the most commonly used stainless steel hex nuts in a plastic case, different sizes can satisfy your different needs.

【Material】304 Stainless Steel, stainless steel material which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and excellent oxidation resistance, which can ensure long time using.

【Weak Magnetic】The magnetic properties of 304 stainless steel due to the structure transformation reasons are not at the same level as the magnetic properties of stainless steel of other materials, which means that the magnetic properties of 304 steel always show weak magnetic properties.

☞ Pitch: 0.7mm;

☞ Material: Grade 8.8 Carbon Steel;

☞ Quantity: 60pcs;

Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut

316 stainless steel provides strength and better corrosion resistance than 18-8 stainless steel

Plain surface has no finish or coating

High Quality 9 Kinds Stainless Steel SAE Hex nuts Assortment Kit total 280 pieces

They are coarse threads,Use these hex nuts for general purpose fastening applications

The assortments contain the following sizes:#2-56 UNC---50PCS#4-40 UNC---40PCS, #6-32 UNC---40PCS, #8-32 UNC---40PCS, #10-24 UNC----30PCS, #12-24 UNC---25PCS,1/4"-20 UNC---20PCS,5/16"-18 UNC---20PCS,3/8"-16 UNC---15PCS

【SIZES】: M3 M4 M5 M6 M8 M10 6 different sizes metric hex nut assortment Kit, according with standardized metric system.the most commonly used sizes, can meet your needs for nuts.

【WIDE APPLICATIONS】: Assorted hex nuts kit serves a wide range of use and for various precision machinery,classified instruments,electronic products, household appliances,communication products, water faucet, locks, lamps, lamps,toys,Suitable for professionals,amateurs,landlords,maintenance workers and other DIY projects.the set is perfect to replace broken and missing nuts.

【HIGH QUALITY】:Hex nut hardware kit made of high quality 304 stainless steel,which features is strength strong,weak magnetic offers good corrosion resistance in bad environment like high temperature,superior rust-proof,prevent the bolt from being exposed and falling off,providing better firmness.

√ Product Name: Metric 304 Stainless Steel Hex Nuts Assorment Kit. The item come with a sturdy plastic organizer box for convenient to store and carry.

√ Size: M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14

√ Material: 304 Stainless Steel, corrosion resistant galvanized finish to ensure life-time use, these quality assortment washers for home, automotive, and shop use.

Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut

Grade 2 steel is often used in applications where toughness is the primary consideration

Zinc plating resists corrosion and has a reflective appearance

Hex nuts are great for general applications and are good when working at tight angles

Hex nuts are typically used with bolts and washers of the same finish

Included variants range from #4-40 to 1/2"-13 in fine & coarse thread sizes

Diameter: M8, Thread Size: 1.25mm.

Made of high quality stainless steel 304, provides strength and protection from corrosion and tarnishing.

Widely used in all kinds of precision machinery, classified instruments, instruments, electronic products, etc.

Material: steel

Thread size: 1/4''-20

Height: 7/32 inch

Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut

18-8 stainless steel provides good corrosion resistance and strength

Black oxide finish offers mild corrosion resistance and lubricity

Size: M5-0.80

Very common and versatile nut

Same in design as a standard hex nut, but smaller to accommodate machine screw sizes

Thread Size: 10mm; Thread Pitch: 1.5mm; Thread Type: Coarse Thread; Thread Coverage: Full Thread

Hex Drive Size: 15mm; Package: 12 pieces

Material: 304 stainless steel (A2-70) and no exterior finish, greater strength and corrision resistance performance than regular stianless steel or zinc plated fasteners.

🥇【Size&Quanlity】This Nuts set includes 160 PCS of screws in 7 different sizes:4#-40(30 Pcs),6#-32(30 Pcs),8#-32(30 Pcs),10#-32(20 Pcs),1/4-20(20 Pcs),5/16-18(20 Pcs),3/8-16(10 Pcs). The quantities of nuts in each SAE size are sufficient to meet your various daily needs.

🥇【High Quality】SAE Hex Nut Hardware Kit is made of 304 stainless steel, featuring a smooth surface and high strength that is not easily deformed,corrosion resistance and rust resistance,Ideal for harsh environments,its superior rust-proofing prevents exposed bolts and falling off for extra firmness.

🥇【Pocket Box】SAE hex nuts hardware set comes in a clear storage box with size labels, making it easy to identify and preventing any loss or scattering of nuts during use. Each pocket box has designated space for each size of the nuts to avoid mixing and enable easy carrying.

Standard: DIN985

Thread Size: M12-1.25; Thread Pitch: 1.25mm; Thread Type: Fine Thread (UNF)

Hex Drive: 19mm; Package: 10 pcs

📦 (Pack of 4 PCs) 1"-12 UNF HEX NUT

🔩 1"-12 means major OD = 1" with pitch = 1/12 inch while UNF stands for Unified National Fine Threads

⚛️ Made of Stainless steel 304