6. Size: 5/16 inch-18 X 1-1/4 inchRound Head, Phillips/Slotted Combination DriveUse with nuts or pre-threaded holes of the same diameter & thread sizeOften used in machinery & appliancesNuts and washers not includedThread Type: Coarse, Thread Class: UNC-2A, Point Style: BluntSpecification(s) Met: ASME B18.Machine Screw, Round, Phil/Sltd Drive 5/16in-18 X 1-1/4in Zinc Plated Steel 20PK They are frequently used in machinery and appliances.3 & SAE J82.
3.6.Sheet Metal Screw Self-Tap Oval Head Phil Dr #10 X 1-1/2in 18-8 Stainless Steel 25PK When attaching metal to wood, it is especially important to pre-drill a hole.
Size: #4-40 X 1-1/4 inchFlat head, Phillips driveUse with nuts or pre-threaded holes of the same diameter & thread sizeOften used in machinery & appliancesNuts and washers not includedThread Type: Coarse, Thread Class: UNC-2A, Point Style: BluntSpecification(s) Met: ASME B18.Machine Screw, Flat Head, Phillip Drive #4-40 X 1-1/4in Zinc Plated Steel 100PK They are frequently used in machinery and appliances.3 & SAE J82.6.