Best black oxide socket head screws

There is always a perfect best black oxide socket head screws out there in the market for you. however, you may not have the time and resources to try and research each of them in detail. so we’ve done the heavy lifting and are sharing below our detailed review of top 10 best black oxide socket head screws.

In Hurry? Checkout Our Top Pick Of Best black oxide socket head screws.

Our Top Pick
iexcell 1500 Pcs Metric M3-P0.5 x 4/6/8/10/12/16/20/25/30/35/40/45/50 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish
9.9/10 our score

Best black oxide socket head screws

RankProduct NameScore
1
iexcell 1500 Pcs Metric M3-P0.5 x 4/6/8/10/12/16/20/25/30/35/40/45/50 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish
iexcell 1500 Pcs Metric M3-P0.5 x 4/6/8/10/12/16/20/25/30/35/40/45/50 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish
9. 9
2
iExcell 1500 Pcs Metric M3 x 6/8/10/12/14/16/20/25/30/35/40/45/50 mm Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish
iExcell 1500 Pcs Metric M3 x 6/8/10/12/14/16/20/25/30/35/40/45/50 mm Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish
9. 5
3
iExcell 50 Pcs Metric M6 x 8/10/12/16/20 Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Assortment Kit, Black Oxide Finish
iExcell 50 Pcs Metric M6 x 8/10/12/16/20 Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Assortment Kit, Black Oxide Finish
9. 3
4
iExcell 450 Pcs M5 x 6/8/10/12/14/16/20/25/30 mm Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Nuts Assortment Kit, Black Oxide Finish
iExcell 450 Pcs M5 x 6/8/10/12/14/16/20/25/30 mm Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Nuts Assortment Kit, Black Oxide Finish
8. 7
5
Prime-Line 9178524 Socket Head Cap Screws, Hex (Allen) Drive, 1/4 in-20 X 3/4 in, Black Oxide Coated Steel, 10-Pack
Prime-Line 9178524 Socket Head Cap Screws, Hex (Allen) Drive, 1/4 in-20 X 3/4 in, Black Oxide Coated Steel, 10-Pack
8. 6
6
iExcell 50 Pcs 1/4-20UNC x 3/8" 1/2" 5/8" 3/4" 1" Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment, Black Oxide Finish
iExcell 50 Pcs 1/4-20UNC x 3/8" 1/2" 5/8" 3/4" 1" Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment, Black Oxide Finish
8. 3
7
100pcs M3 x 10mm 12.9 Grade Alloy Steel Hex Socket Head Cap Screws Bolts,Black Oxide Finish
100pcs M3 x 10mm 12.9 Grade Alloy Steel Hex Socket Head Cap Screws Bolts,Black Oxide Finish
8. 1
8
iExcell 50 Pcs Metric M6 x 8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment, Black Oxide Finish
iExcell 50 Pcs Metric M6 x 8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment, Black Oxide Finish
7. 7
9
Prime-Line 9178486 Socket Head Cap Screws, Hex (Allen) Drive, 1/4 in-20 X 1/2 in, Black Oxide Coated Steel, 10-Pack
Prime-Line 9178486 Socket Head Cap Screws, Hex (Allen) Drive, 1/4 in-20 X 1/2 in, Black Oxide Coated Steel, 10-Pack
7. 5
10
iexcell 400 Pcs Metric M3-P0.5 x 4/5/6/8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Assortment Kit, Black Oxide Finish
iexcell 400 Pcs Metric M3-P0.5 x 4/5/6/8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Assortment Kit, Black Oxide Finish
7. 0

1. iexcell 1500 Pcs Metric M3-P0.5 x 4/6/8/10/12/16/20/25/30/35/40/45/50 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish

iexcell 1500 Pcs Metric M3-P0.5 x 4/6/8/10/12/16/20/25/30/35/40/45/50 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish
9.9/10 our score
  • Includes 500 Pcs, 13 Sizes, M3 Hex Socket Head Cap Screws, Thread Pitch 0.5 mm, Thread Size ( Diameter) 3 mm, Head Diameter 5.5 mm, Head Height 3.0 mm, Thread Length From 4 mm to 50 mm; Material of Screws: Alloy Steel 40Cr, Black Oxide Finish; Strength Grade of Screws : 12.9 Grade, Hardness: HRC 39-44, Tensile Strength: 1220N/mm²
  • Includes 500 Pcs M3 Nuts to Meet Different Applications, Material of Nuts: Alloy Steel 10B21, Black Oxide Finish
  • Includes 1 Pcs Hex Key, Hex Size: 2.5mm, to Drive These Screws Conveniently and Easily, Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust
  • Includes 500 Pcs Φ3 Washers: Add More Touch Area to Meet Special Condition In Some Cases and Protect Parts from Being Damaged, Material of Washers: Alloy Steel 10B21, Black Oxide Finish
  • Package: All These Screws, Nuts, Washer and Hex Key Packed In a Sturdy Easy-use Plastic Storage Box, Organized Conveniently and Easily

2. iExcell 1500 Pcs Metric M3 x 6/8/10/12/14/16/20/25/30/35/40/45/50 mm Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish

iExcell 1500 Pcs Metric M3 x 6/8/10/12/14/16/20/25/30/35/40/45/50 mm Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Nuts Washers Assortment Kit, Black Oxide Finish
9.5/10 our score
  • 13 Sizes: M3 x 6, M3 x 8, M3 x 10, M3 x 12, M3 x 14, M3 x 16, M3 x 20, M3 x 25, M3 x 30, M3 x 35, M3 x 40, M3 x 45, M3 x 50
  • Screw Head Style: Button, Screw Drive Style : Hex Socket, Hex Size: 2 mm
  • Screw Head Diameter: 5.5mm, Screw Head Height: 1.6mm; Thread Size(Diameter): 3mm, Thread Pitch: 0.5mm
  • All in One Box: Includes Screws, Nuts, Washers and 1 Pcs Hex Key
  • Package: 1500 Pcs Screws, Nuts, Washers and 1 Pcs Hex Key Come in a Sturdy Easy-use Case.

3. iExcell 50 Pcs Metric M6 x 8/10/12/16/20 Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Assortment Kit, Black Oxide Finish

iExcell 50 Pcs Metric M6 x 8/10/12/16/20 Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Assortment Kit, Black Oxide Finish
9.3/10 our score
  • Screw Head : Button ; Screw Drive : Hex Socket, Known as Internal Hex Drives, Hex Size 4 mm
  • Head Diameter: 10.31mm, Head Height: 3.32 mm,Thread Size(Dia.): 6mm; Thread Pitch :1.0 mm
  • Thread Length: 8mm /0.31", 10mm/0.39", 12mm/0.47", 16mm/0.63", 20mm/0.79"
  • Includes 1 Pcs Hex Key , Hex Size 3.0 mm, to Drives These Screws Easily
  • Package: 50 Pcs Hex Socket Button Head Cap Screws and 1 Pcs Hex Key, Come in an Easy-use Storage Box

4. iExcell 450 Pcs M5 x 6/8/10/12/14/16/20/25/30 mm Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Nuts Assortment Kit, Black Oxide Finish

iExcell 450 Pcs M5 x 6/8/10/12/14/16/20/25/30 mm Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Nuts Assortment Kit, Black Oxide Finish
8.7/10 our score
  • Includes 225 Pcs, 9 Sizes, Thread Pitch 0.8 mm M5 Hex Socket Button Head Cap Screws: M5 x 6mm M5 x 8mm M5 x 10mm M5 x 12mm M5 x 14mm M5 x 16mm M5 x 20mm M5 x 25mm M5 x 30mm, Widely Used in Different Applications
  • Includes 225 Pcs Thread Pitch 0.8 mm M5 Nuts to Meet Different Applications
  • Includes 1 Pcs Hex Key , Hex Size: 3.0mm, to Drive These Screws Conveniently and Easily; Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength And Anti-rust
  • Material of Screws: Alloy Steel, Black Oxide Finish, High Strength And Anti-rust; Strength Grade: 10.9 Grade, Tensile Strength: 1040N/mm², Hardness: HRC 32-39
  • Package: All These Screws, Nuts and Hex Key Packed In a Sturdy Easy-use Plastic Storage Box. Organized Conveniently and Easily

5. Prime-Line 9178524 Socket Head Cap Screws, Hex (Allen) Drive, 1/4 in-20 X 3/4 in, Black Oxide Coated Steel, 10-Pack

Prime-Line 9178524 Socket Head Cap Screws, Hex (Allen) Drive, 1/4 in-20 X 3/4 in, Black Oxide Coated Steel, 10-Pack
8.6/10 our score
  • Size: 1/4 inch-20 X 3/4 inch
  • Hex (Allen) Drive
  • Installs using an Allen wrench
  • Can be used in tight spaces where there may not be room for a socket tool or wrench
  • Often used in machinery, tools & dies

6. iExcell 50 Pcs 1/4-20UNC x 3/8" 1/2" 5/8" 3/4" 1" Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment, Black Oxide Finish

iExcell 50 Pcs 1/4-20UNC x 3/8
8.3/10 our score
  • Screw Head: Socket Cap, Screw Drive: Hex Socket, Hex Size 3/16"
  • Head Dia.: 3/8";Head Height: 1/4";Thread Dia. 1/4";Pitch: 20 Threads Per Inch
  • 5 Sizes: 1/4-20 x 3/8",1/4-20 x 1/2",1/4-20 x 5/8",1/4-20 x 3/4", 1/4-20 x 1"
  • Thread Length: 3/8", 1/2", 5/8", 3/4",1"; Total Length: 5/8", 3/4", 7/8", 1",1-1/2"
  • Package: 50 Pcs 1/4-20UNC Hex Socket Head Cap Screws, Come in a Plastic Storage Case

7. 100pcs M3 x 10mm 12.9 Grade Alloy Steel Hex Socket Head Cap Screws Bolts,Black Oxide Finish

100pcs M3 x 10mm 12.9 Grade Alloy Steel Hex Socket Head Cap Screws Bolts,Black Oxide Finish
8.1/10 our score
  • Material: 12.9 Alloy Steel
  • Metric M3 screws,Thread Length: M3 x 10mm,Thread Diameter: 3mm,
  • Thread Pitch: 0.5mm, Total Length: 13mm
  • Head Diameter: 5.3mm,Head Height : 3mm
  • Thread Coverage: Full Thread

8. iExcell 50 Pcs Metric M6 x 8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment, Black Oxide Finish

iExcell 50 Pcs Metric M6 x 8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Assortment, Black Oxide Finish
7.7/10 our score
  • Hex Scoket Head Cap Screw: M6 x 8, M6 x 10, M6 x 12, M6 x 16, M6 x 20
  • Head Diameter : 10.2mm/0.40”; Head Height : 6mm/0.24“; Thread Dia. : 6 mm; Thread Pitch : 1.0 mm
  • Thread Length: 8mm/0.31", 10mm/0.39", 12mm /0.47", 16mm/0.63", 20mm/0.79"
  • Material: Alloy Steel, Black Oxide Finish; Tensile Strength: 12.9 Grade
  • Package : 50 Pcs M6 Hex Socket Head Cap Screws, Come in an Easy-use Storage Box

9. Prime-Line 9178486 Socket Head Cap Screws, Hex (Allen) Drive, 1/4 in-20 X 1/2 in, Black Oxide Coated Steel, 10-Pack

Prime-Line 9178486 Socket Head Cap Screws, Hex (Allen) Drive, 1/4 in-20 X 1/2 in, Black Oxide Coated Steel, 10-Pack
7.5/10 our score
  • Size: 1/4 inch-20 X 1/2 inch
  • Hex (Allen) Drive
  • Installs using an Allen wrench
  • Can be used in tight spaces where there may not be room for a socket tool or wrench
  • Often used in machinery, tools & dies

10. iexcell 400 Pcs Metric M3-P0.5 x 4/5/6/8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Assortment Kit, Black Oxide Finish

iexcell 400 Pcs Metric M3-P0.5 x 4/5/6/8/10/12/16/20 Alloy Steel 12.9 Grade Hex Socket Head Cap Screws Bolts Nuts Assortment Kit, Black Oxide Finish
7/10 our score
  • Includes 200 Pcs, 8 Sizes, M3 Hex Socket Head Cap Screws: M3 x 4, M3 x 5, M3 x 6, M3 x 8, M3 x 10, M3 x 12, M3 x 16, M3 x 20,
  • Material of Screws: Alloy Steel 40Cr, Strength Grade: 12.9 Grade, Hardness: HRC 39-44, Tensile Strength: 1220N/mm²; Surface Finish: Black Oxide Finish with Anti-rust Oil
  • Includes 200 Pcs M3 Nuts to Meet Different Applications, Material of Nuts: Alloy Steel
  • Includes 1 Pcs Hex Key, Hex Size: 2.5mm, to Drive These Screws Conveniently and Easily, Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust
  • Package: All These Screws, Nuts and Hex Key Packed In a Sturdy Easy-use Plastic Storage Box, Organized Conveniently and Easily