Low Differential Pressure Switch

Carriage Bolts 1/4in-20 X 6in A307 Grade A Hot Dip Galv Steel 15PK Size: 1/4 inch-20 X 6 inchFeatures a smooth rounded head as opposed to a standard hex headSquare shoulder allows for nut to be tightened or loosened Often used in cases where a protruding bolt head could cause injuryNuts and washers not included, ensure washers and nuts are same diameterThread Type: Coarse, Thread Class: UNC-2A, Point Style: BluntSpecification(s) Met: ASME B18. The square shoulder on carriage bolts help to hold it in place while the nut is fastened. Due to that reason, they are often used when a more aesthetic look is desired.5 & ASTM A307A.

1 This "one-piece" design eliminates the need of a separate washer under the bolt head and is preferable for some applications as it can be more efficient and easier to use.3, & ASME B1.

)Requires pilot hole to be drilled and installs using wrench or socket toolThread Type: Deep, Point Style: GimletSpecification(s) Met: ASME B18.Lag screw bolts are used in place of standard wood screws whenever the mounting surface must bear a heavy load.2. Hex Lag Screw 1/4in X 1-1/2in Grade 18-8 Stainless Steel 25PK Size: 1/4 inch X 1-1/2 inchHeavy duty wood screw with 6 sided hex bolt headFeatures deep wood screw threads and does not accept a nutUsed in applications where standard wood screws cannot support the load (deck building, etc.

3.Sheet Metal Screw, Self-Tap, Flat, Phil Dr #14 X 1-1/2in 18-8 Stainless Steel 100PK When attaching metal to wood, it is especially important to pre-drill a hole.6.

Size: #14 X 1-1/2 inchFlat Head, Phillips DriveUsed to attach sheet metal to other thin metal, wood or other materialSharp pointed tipPilot hole should be pre-drilledThread Type: Type A, Point Style: SharpSpecification(s) Met: ASME B18.