The HT Allen Socket CSK Screw – BSF Series provides fully threaded, black‑coated screws that meet DIN 7991 specifications with a 12.9 grade steel designation. The catalog includes common sizes such as 1/4" × 1" and 5/16" × 1 1/4", ensuring coverage for standard applications. This category is suitable for buyers needing high‑strength, fully threaded CSK screws in the BSF thread standard.
HT Allen Socket CSK Screw - BSF Series
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