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Need a large quantity? Request bulk pricing here. #4 Aircraft Extension Drill Bit 12" Length Cobalt - Pack of 6 Manufactured to NAS 907 Type J specifications 135 degree split point surface treated with jobber flute lengths for drilling holes in hard to reach places. Heavy duty construction for portable or machine drilling in high tensile strength alloy steels stainless steels titanium and other difficult to machine materials. Part # 1280C004
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🇺🇸 Ship from USA · On Agora since 2025
$187.31