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This set of four 3/8-16x4 stainless steel hex head bolts by Fullerkreg features fully threaded shafts made from durable 18-8 (304) stainless steel. Designed for heavy-duty fastening, each kit includes matching nuts, flat washers, and lock washers, all meeting ASME standards for precision and reliability. Ideal for professionals seeking corrosion-resistant, high-strength hardware that delivers consistent performance in demanding applications.





| ASIN | B07S7PNM4K |
| Best Sellers Rank | #10,657 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #39 in Hex Bolts |
| Brand | Fullerkreg |
| Color | Plain |
| Compatible Groove Diameter | 0.38 inches |
| Customer Reviews | 4.7 out of 5 stars 1,431 Reviews |
| Drive System | External Hex |
| Exterior Finish | Stainless Steel |
| Fastener Size | 3/8" x 4" |
| Fastener Type | Hexagon Bolt |
| Finish Types | Polished |
| Head Style | Hex |
| Head Type | Hex |
| Item Diameter | 0.38 inches |
| Item Dimensions | 1 x 1 x 1 inches |
| Item Hardness | Grade 8 |
| Manufacturer | Fullerdongluo |
| Manufacturer Grade | Grade 8 |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Metal Type | Stainless Steel |
| Model | 1 |
| Number Of Items | 2 |
| Number of Packs | 4 |
| Number of Pieces | 4 |
| Outside Diameter | 0.38 inches |
| Part Number | 1 |
| Screw Head Style | Hex |
| Set Name | 4 Sets |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Size Name | (4 Sets) 3/8x4" |
| Thread Coverage | Fully Threaded |
| Thread Size | 3/8"-16 |
| Thread Style | Left Hand |
| Thread Type | Fully Threaded |
| UPC | 799862377039 |
| Unit Count | 4 Count |
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