舍弃式快速钻头 (D×3)
C25-SD14-42L C25-SD15-45L C25-SD16-48L C25-SD17-51L C25-SD18-54L C25-SD19-57L
C25-SD20-60L C25-SD21-63L C32-SD22-66L C32-SD23-69L C32-SD24-72L C32-SD25-75L
C32-SD26-78L C32-SD27-81L C32-SD29-87L C32-SD30-90L C32-SD31-93L C32-SD32-96L
C32-SD33-99L C32-SD34-102L C32-SD35-105L C32-SD36-108L C32-SD37-111L C32-SD38-114L
C32-SD39-117L C32-SD40-120L C32-SD41-123L C32-SD42-126L C32-SD43-129L C32-SD44-132L
C32-SD45-135L C32-SD46-138L C32-SD47-141L C32-SD48-144L C32-SD49-147L C32-SD50-150L