Super-Corrosion-Resistant High-Strength Bumax 88 Hex Head Screws

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Super-Corrosion-Resistant High-Strength Bumax 88 Hex Head Screws

Super-Corrosion-Resistant High-Strength Bumax 88 Hex Head Screws are engineered for critical applications requiring maximum tensile strength and fatigue resistance. Manufactured from premium alloy steel and heat-treated to meet rigorous Grade 8 or Class 10.9/12.9 standards, these fasteners provide exceptional clamping force and structural integrity. Ideal for heavy machinery, automotive suspension, and high-stress industrial environments, they ensure long-term reliability where failure is not an option.

System of Measurement
Inch Metric
Specifications Met
ASME B18.2.1 ISO 4017, DIN 933
Thread Size
1/4"-20 5/16"-18 3/8"-16 1/2"-13 M6 M8 M10 M12
Length
1/2" 3/4" 1" 1 1/4" 1 1/2" 1 3/4" 2" 2 1/2" 3" 3 1/2" 4" 10 mm 12 mm 16 mm 20 mm 25 mm 30 mm 35 mm 40 mm 50 mm
Threading
Fully Threaded Partially Threaded
Head Height
5/32" 13/64" 15/64" 5/16" 4 mm 5.3 mm 6.4 mm 7.5 mm
Thread Pitch
1 mm 1.25 mm 1.5 mm 1.75 mm
Thread Diameter
0.25" 0.3125" 0.375" 0.5"
Thread Type
Metric UNC
Part Number Thread Size Length Threading Specifications Met Thread Type Head Diameter Head Height Material Tensile Strength Hardness
0248FA00001 1/4"-20 1/2" Fully Threaded ASME B18.2.1 UNC - 5/32" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00002 1/4"-20 3/4" Fully Threaded ASME B18.2.1 UNC - 5/32" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00003 1/4"-20 1" Partially Threaded ASME B18.2.1 UNC - 5/32" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00004 1/4"-20 1 1/4" Partially Threaded ASME B18.2.1 UNC - 5/32" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00005 1/4"-20 1 1/2" Partially Threaded ASME B18.2.1 UNC - 5/32" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00006 1/4"-20 2" Partially Threaded ASME B18.2.1 UNC - 5/32" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00007 5/16"-18 3/4" Fully Threaded ASME B18.2.1 UNC - 13/64" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00008 5/16"-18 1" Fully Threaded ASME B18.2.1 UNC - 13/64" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00009 5/16"-18 1 1/4" Partially Threaded ASME B18.2.1 UNC - 13/64" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00010 5/16"-18 1 1/2" Partially Threaded ASME B18.2.1 UNC - 13/64" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00018 3/8"-16 3/4" Fully Threaded ASME B18.2.1 UNC - 15/64" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00019 3/8"-16 1" Fully Threaded ASME B18.2.1 UNC - 15/64" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00020 3/8"-16 1 1/2" Partially Threaded ASME B18.2.1 UNC - 15/64" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00021 3/8"-16 1 3/4" Partially Threaded ASME B18.2.1 UNC - 15/64" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00022 3/8"-16 2" Partially Threaded ASME B18.2.1 UNC - 15/64" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00023 3/8"-16 2 1/2" Partially Threaded ASME B18.2.1 UNC - 15/64" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00026 3/8"-16 3" Partially Threaded ASME B18.2.1 UNC - 15/64" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00036 1/2"-13 1" Fully Threaded ASME B18.2.1 UNC - 5/16" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00038 1/2"-13 1 1/4" Fully Threaded ASME B18.2.1 UNC - 5/16" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00039 1/2"-13 1 1/2" Fully Threaded ASME B18.2.1 UNC - 5/16" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00040 1/2"-13 1 3/4" Partially Threaded ASME B18.2.1 UNC - 5/16" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00041 1/2"-13 2" Partially Threaded ASME B18.2.1 UNC - 5/16" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00044 1/2"-13 2 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00047 1/2"-13 3" Partially Threaded ASME B18.2.1 UNC - 5/16" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00048 1/2"-13 3 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00049 1/2"-13 4" Partially Threaded ASME B18.2.1 UNC - 5/16" Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00011 M6 10 mm Fully Threaded ISO 4017, DIN 933 Metric - 4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00012 M6 12 mm Fully Threaded ISO 4017, DIN 933 Metric - 4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00013 M6 16 mm Fully Threaded ISO 4017, DIN 933 Metric - 4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00014 M6 20 mm Fully Threaded ISO 4017, DIN 933 Metric - 4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00015 M6 25 mm Fully Threaded ISO 4017, DIN 933 Metric - 4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00016 M6 30 mm Fully Threaded ISO 4017, DIN 933 Metric - 4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00017 M6 40 mm Fully Threaded ISO 4017, DIN 933 Metric - 4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00024 M8 16 mm Fully Threaded ISO 4017, DIN 933 Metric - 5.3 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00025 M8 20 mm Fully Threaded ISO 4017, DIN 933 Metric - 5.3 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00027 M8 25 mm Fully Threaded ISO 4017, DIN 933 Metric - 5.3 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00028 M8 30 mm Fully Threaded ISO 4017, DIN 933 Metric - 5.3 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00029 M8 35 mm Fully Threaded ISO 4017, DIN 933 Metric - 5.3 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00030 M8 40 mm Fully Threaded ISO 4017, DIN 933 Metric - 5.3 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00031 M8 50 mm Fully Threaded ISO 4017, DIN 933 Metric - 5.3 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00032 M10 25 mm Fully Threaded ISO 4017, DIN 933 Metric - 6.4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00033 M10 30 mm Fully Threaded ISO 4017, DIN 933 Metric - 6.4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00034 M10 35 mm Fully Threaded ISO 4017, DIN 933 Metric - 6.4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00035 M10 40 mm Fully Threaded ISO 4017, DIN 933 Metric - 6.4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00037 M10 50 mm Fully Threaded ISO 4017, DIN 933 Metric - 6.4 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00042 M12 30 mm Fully Threaded ISO 4017, DIN 933 Metric - 7.5 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00043 M12 35 mm Fully Threaded ISO 4017, DIN 933 Metric - 7.5 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00045 M12 40 mm Fully Threaded ISO 4017, DIN 933 Metric - 7.5 mm Bumax 88 Stainless Steel 110000 psi Not Rated
0248FA00046 M12 50 mm Fully Threaded ISO 4017, DIN 933 Metric - 7.5 mm Bumax 88 Stainless Steel 110000 psi Not Rated
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