Bulk 1/4"-20 Indented Hex Washer Head Slotted Thread Cutting Screws (Type 23 / T) – Zinc CR+3 – Monster Bolts L9 making these fasteners ideal for

making these fasteners ideal for applications where a smooth

Standards: Manufactured to DIN 7991 / ISO 10642 for true countersunk geometry

These trilobular fasteners roll-form robust

Ideal for environments that demand reliability — from marine and industrial to construction and fabrication work

finished in a deep black-oxide conversion coating for low-glare corrosion protection

Bulk 1/4"-20 Indented Hex Washer Head Slotted Thread Cutting Screws (Type 23 / T) – Zinc CR+3 – Monster Bolts L9 making these fasteners ideal forMonster Overview: Fix your project right the first time with Bulk 1 4" 20 Indented Hex Washer Head Slotted Thread Cutting Screws (Type 23 T) from Monster Bolts. These fasteners use a Type 23 thread cutting point, which features a chip clearing notch that allows material to exit during installationreducing torque and minimizing thread damage. The hex washer head (HWH) with integral indentation provides excellent load distribution and resistance to pull