Daisy
Last Updated: Feb 8, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Eastlo | 9.93 | ✅ | ✅ | ✅ |
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
Made of 304 stainless steel (no coating outside) 18-8 which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments.
Commonly used in conjunction with bolts or screws to provide secure fastenings into unthreaded holes. You could find the matched bolts, flat washers and lock washers seperately in our store.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
Meets ASME B18.6.3 specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
Meets ASME B18.2.2 specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
Meets ASME B18.2.2 specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut
Grade 8 steel is stronger than grade 5 steel and often used in applications where strength is the primary consideration
Zinc yellow-chromate plating offers good corrosion resistance
Meets ASME B18.2.2 specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut
Grade 5 steel is often used in applications where strength is the primary consideration
Black oxide finish offers mild corrosion resistance and lubricity
Meets ASME B18.2.2 specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut
Grade 8 steel is stronger than grade 5 steel and often used in applications where strength is the primary consideration
Plain surface has no finish or coating
Meets ASME B18.2.2 specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Heavy hex nut is taller and wider than standard hex nut for a stronger hold and better security
Grade 2 steel is often used in applications where toughness is the primary consideration
Zinc plating resists corrosion and has a reflective appearance
Meets ASME B18.2.2 specifications
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Allied Titanium | 8.48 | ❌ | ❌ | ❌ |
3/8-16 UNC Allied Titanium Hex Nut
TRUE TITANIUM(TM) - Stronger, Lighter and Corrosion Free
Titanium is good for use in or near saltwater
General Tolerance: +0/-0.011 inch
Meets ASME B18.2.2; Grade 2 (CP) Titanium with Polished Finish
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut
Grade 5 steel is often used in applications where strength is the primary consideration
Zinc plating resists corrosion and has a reflective appearance
Meets ASME B18.2.2 specifications
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Small Parts | 8 |
| Allied Titanium | 1 |
| Eastlo | 1 |
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