Bulk 5/16"-18 Flat Head 6-Lobe / T-40 Floorboard Thread Cutting Screws (Type F) – Phosphate – Monster Bolts undercut Standards: Manufactured to DIN 912

Standards: Manufactured to DIN 912 / ISO 4762 for interchangeability and reliability

Drive Style: Phillips #2

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Head Type: Button Head – smooth

Bulk 5/16"-18 Flat Head 6-Lobe / T-40 Floorboard Thread Cutting Screws (Type F) – Phosphate – Monster Bolts undercut Standards: Manufactured to DIN 912Monster Overview: Fix your project right the first time with Bulk 5 16" 18 Flat Head 6 Lobe T 40 Thread Cutting Screws (Type F) from Monster Bolts. These screws are commonly used in floorboard and heavy duty structural applications, where a flush finish and high drive torque are required. The Type F thread cutting design cuts clean internal threads rather than rolling them, making these fasteners ideal for steel and harder materials. The flat head