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B. C.& F. Tool Co. (MI)– Providing our nationwide customer base the ultimate in Gundrilling, with capabilities from an "impossible" .0320" dia. to 1.0000", plus a 3-shift operation capable of manufacturing your precision parts "from deephole to completion".

Gundrilling Handbook– In-depth answers to all your deep hole questions. The “must read” manual for planners, engineers & shop personnel alike. Presents all aspects of the process in complete, precise detail.

Hole Specialists Inc. (MA)– "No-Quoting" jobs with difficult holes? We can help! Hole Specialists, quality provider of deephole and specialty drilling. We offer hole diameters from .062" to 2.489" and depth/dia. ratios up to 75:1.

The following sites are not linked. Phone numbers are provided.

American Hollow Boring Co. (PA) (814) 452-3664– Offering Gundrilling and Trepanning up to 20 in. dia. and 30 ft. deep.

Betar, Inc. (NJ) (908) 359-4200– Gundrilling from .078 to 3" dia. & up to 180" depth.

Dearborn Precision Tubular Products, Inc. (ME) (207) 935-2171– Our 100 drilling spindles give us capacity for large production orders.

Drilling Dynamics, LLC. (CT) (203) 878-1711– Excelling in precision, price & lead time. Range: .062 - 2.5" dia. x 50" dp.

phone: (203) 234-1714 ~ e-mail: drilldirect@sbcglobal.net