Hex head self-drilling roofing screws are specialized fasteners designed for attaching roofing materials, such as metal panels or corrugated sheets, to steel or wooden structures without the need for pre-drilling. 

HEX FLANGE  HEAD SELF-DRILLING ROOFING SCREW
5.5x50, 5.5x55 & 5.5x65

Items Number : 000002

Part Number : AB-HSDS12-14L55E-DP3RC-S1000

Description : AB™ head mark hex flange head  roofing screw 5.5x55 with EPDM washer, drill point type#3

Pack Qty (Pcs) : 1500 (Minimum sales quantity 1500 Pcs.)

VERY HOT ! !

Items Number : 000007

Part Number : AB-HSDS12-14L50E-DP3RC-S1000

Description : AB™ head mark hex flange head  roofing screw 5.5x50 with EPDM washer, drill point type#3

Pack Qty (Pcs) : 1500 (Minimum sales quantity 1500 Pcs.)

VERY HOT ! !

Items Number : 000008

Part Number : AB-HSDS12-14L65E-DP3RC-S1000

Description : AB™ head mark hex flange head  roofing screw 5.5x65 with EPDM washer, drill point type#3

Pack Qty (Pcs) : 1000 (Minimum sales quantity 1000 Pcs.)

UP-COMING ITEMS OF ROOFING SCREW OF AZUMA™ BRAND

• Items Number : 000009

Part Number : AB-HSDS12-14L75E-DP3RC-S1000

Description : AB™ head mark hex flange head  roofing screw 5.5x75 with EPDM washer, drill point type#3

Pack Qty (Pcs) : 1000 (Minimum sales quantity 1000 Pcs.)

A hex flange head self-drilling roofing screw is a type of fastener designed for use in roofing applications. It combines features of both self-drilling and roofing screws, making it suitable for attaching roofing materials to various substrates without the need for pre-drilling. 

These screws are specifically designed for attaching roofing materials, such as metal panels, corrugated sheets, or roofing tiles, to steel or wooden structures. They are commonly used in residential, commercial, and industrial roofing projects. When applying hex flange self-drilling roofing screws for roofing applications it’s essential to follow a systematic and careful application process. Here’s a recommended step-by-step guide:

• Marking and Layout:

1. Identify and mark the locations on the roofing where you intend to install the screws:

2. Follow any specific layout or spacing guidelines recommended by the roofing material or design.

• Tooling:

1. Use a power drill with adjustable torque setting.

2. Select a hex driver or adapter suitable for the hex flange head on the screw.

• Drilling Process:

1. Hex flange self-drilling roofing screws are designed to drill through roofing material without pre-drilling.

2. Align the drill at the marked point on the roofing and apply steady, even pressure while turning the screw clockwise.

• Inserting Screw:

1. Insert the hex flange self-drilling roofing screw into the drilled hole.

2. Apply downward pressure and continue turning the screw using the hex driver.

3. The self-drilling feature allows the screw to penetrate the material and creates it own thread.

• Torque Control:

1. Gradually tighten the screw until it is snug, ensuring a secure connection.

2. Be cautious not to over-tighten, as this may damage the roofing material or the screw.

• Checking Alignment:

1. Verify that the screw is driven straight into the roofing material to ensure a tight and secure it.

• Post-Installation Inspection:

1. Inspect each installed screw for proper tightness and alignment.

2. Check for any visible issues, such as damaged threads or misalignment.

• Clean-Up:

1. Remove any debris or metal shavings resulting from the drilling process.

2. Ensure the roofing surface is clean and free from potential hazards/risks.

• Documentation:

1. Record the installation details, including the number of screws used, screw brand name, project location, and any observations made during the process.

Maximum 4 mm thick for #12, and #14 gauge.

• Use a hex socket H#8 (5/16‘‘)

• Use a mains-powered or cordless screwdriver with a drive speed of 1500 RPM maximum.

• Fit the driver bit into the screw and place it in the fastening position.

• Apply consistently firm pressure (end load) to the screwdriver until the screw has fastened