Phillips Tapping Screws – Flat Head, #12 x 1-1/4″

Phillips tapping screws with a flat head profileideal for marine hardware and other fastening applications where a clean, countersunk look is helpful.

Key Features

• Phillips drive
• Flat head style
• #12 size
• 1-1/4″ length
• 18-8 stainless steel construction

Intended Use

• Marine fastening and mounting tasks
• Sheet metal / substrate fastening where self-tapping screws are used
• Hardware accessory installation on boats, RVs, and outdoor equipment (confirm length and head style for your application)

Product Details

• Brand/Series: Seachoice (tag: brand:seachoice)
• Product type: Bulk Fasteners
• Screw type: Phillips tapping screws – flat head
• Size: #12
• Length: 1-1/4″
• Material: 18-8 Stainless Steel
• SKU: 50-00737
• Variant quantity/pack info: Not specified in provided data

Parts Desk Insights

Best Use Case: Choose these screws for projects needing a Phillips-driven, flat head tapping screw in #12 x 1-1/4″ with corrosion-resistant 18-8 stainless steel.

Common Issues: Before installing, verify the hole prep (if any) for your material and ensure the countersunk/flat-head seating matches your mounting surface. Using the wrong pilot size or forcing the screw can lead to stripped threads or poor pull-in.

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• Browse Fasteners & Mounting – Use the Fasteners & Mounting collection to find matching tapping screw sizes and related hardware.