1 1/2″ Diameter Ring Core Drill PART#  902-235-3099 Standard connection is 5/8”-11 threads. An adapter is available to convert the wheels to a 1/2” diameter shaft drive. Drills are equipped for center water feed and may be retipped for new tool performance at a reduced price. Note: Sizes are nominal shank sizes. Holes will be drilled slightly larger. $137.60 1 1/2" Diameter Ring Core Drill quantity Add to cart Additional 4" Cutting Depth 3/4″ Diameter Replacement Shank & Ring PART#  902-235-2084 $51.50 3/4" Diameter Replacement Shank & Ring quantity Add to cart 1 1/4″ Diameter Replacement Shank & Ring PART#  902-235-2102 $62.50 1 1/4" Diameter Replacement Shank & Ring quantity Add to cart 2″ Diameter Ring Core Drill PART#  902-235-3190 $147.00 2" Diameter Ring Core Drill quantity Add to cart 2″ Diameter Ring Core Drills PART#  902-237-0179 $132.00 2" Diameter Ring Core Drills quantity Add to cart 2″ Diameter Ring Core Drill PART#  902-235-0179 $147.00 2" Diameter Ring Core Drill quantity Add to cart 1 3/4″ Diameter Ring Core Drill PART#  902-235-0175 $145.60 1 3/4" Diameter Ring Core Drill quantity Add to cart 1″ Diameter Ring Core Drills PART#  902-237-0171 $93.10 1" Diameter Ring Core Drills quantity Add to cart 9″ Dia. Segmented Core Drill PART#  902-230-3133 $605.00 9" Dia. Segmented Core Drill quantity Add to cart 1 1/4″ Diameter Replacement Shank & Ring PART#  902-237-2102 $56.90 1 1/4" Diameter Replacement Shank & Ring quantity Add to cart 1 5/8″ Diameter Replacement Shank & Ring PART#  902-237-2118 $63.30 1 5/8" Diameter Replacement Shank & Ring quantity Add to cart 1 1/4″ Diameter Ring Core Drill PART#  902-235-0174 $115.50 1 1/4" Diameter Ring Core Drill quantity Add to cart 6″ Diameter Segmented Core Drill PART#  902-230-0146 $487.60 6" Diameter Segmented Core Drill quantity Add to cart 1/4″ Diameter Replacement Shank and Diamond Tip PART#  902-225-0002 $29.10 1/4" Diameter Replacement Shank and Diamond Tip quantity Add to cart 7/8″ Diameter Ring Core Drill PART#  902-235-0178 $106.50 7/8" Diameter Ring Core Drill quantity Add to cart 1 1/8″ Diameter Ring Core Drills PART#  902-237-0173 $96.00 1 1/8" Diameter Ring Core Drills quantity Add to cart 3/8″ Diameter Replacement Shank and Diamond Tip PART#  902-225-0009 $43.50 3/8" Diameter Replacement Shank and Diamond Tip quantity Add to cart 5/8″ Diameter Replacement Shank and Diamond Tip PART#  902-225-0008 $51.10 5/8" Diameter Replacement Shank and Diamond Tip quantity Add to cart 1/2″ Diameter Replacement Shank and Ring PART#  902-237-2163 $42.90 1/2" Diameter Replacement Shank and Ring quantity Add to cart 5/8″ Diameter Replacement Shank & Ring PART#  902-235-2164 $51.40 5/8" Diameter Replacement Shank & Ring quantity Add to cart 3/8″ Diameter Replacement Shank and Diamond Tip PART#  902-225-0004 $43.00 3/8" Diameter Replacement Shank and Diamond Tip quantity Add to cart 4″ Diameter Segmented Core Drill PART#  902-230-0121 $240.10 4" Diameter Segmented Core Drill quantity Add to cart 2″ Dia. Segmented Core Drill PART#  902-230-3107 $156.00 2" Dia. Segmented Core Drill quantity Add to cart 1 3/4″ Diameter Ring Core Drills PART#  902-237-0175 $130.60 1 3/4" Diameter Ring Core Drills quantity Add to cart 5″ Diameter Segmented Core Drill PART#  902-230-0128 $345.10 5" Diameter Segmented Core Drill quantity Add to cart 3/16″ Solid Core Drill PART#  902-227-3001 $65.70 3/16" Solid Core Drill quantity Add to cart 7/8″ Diameter Replacement Shank & Ring PART#  902-235-2167 $54.40 7/8" Diameter Replacement Shank & Ring quantity Add to cart 1 3/8″ Diameter Replacement Shank & Ring PART#  902-235-2119 $63.90 1 3/8" Diameter Replacement Shank & Ring quantity Add to cart 5/8″ Hollow Core Drill PART#  902-227-3010 $102.90 5/8" Hollow Core Drill quantity Add to cart 1 5/8″ Diameter Ring Core Drill PART#  902-235-3118 $140.70 1 5/8" Diameter Ring Core Drill quantity Add to cart 3″ Diameter Segmented Core Drill PART#  902-230-0120 $217.50 3" Diameter Segmented Core Drill quantity Add to cart 3/8″ Hollow Core Drill PART#  902-227-3005 $88.60 3/8" Hollow Core Drill quantity Add to cart 1 1/8″ Diameter Replacement Shank & Ring PART#  902-235-2101 $60.80 1 1/8" Diameter Replacement Shank & Ring quantity Add to cart 5/16″ Hollow Core Drill PART#  902-227-3004 $80.00 5/16" Hollow Core Drill quantity Add to cart 1 3/8″ Diameter Ring Core Drill PART#  902-235-0177 $124.60 1 3/8" Diameter Ring Core Drill quantity Add to cart 7″ Dia. Segmented Core Drill PART#  902-230-3130 $462.00 7" Dia. Segmented Core Drill quantity Add to cart 1 3/8″ Diameter Replacement Shank & Ring PART#  902-237-2119 $58.00 1 3/8" Diameter Replacement Shank & Ring quantity Add to cart 3″ Dia. Segmented Core Drill PART#  902-230-3120 $179.00 3" Dia. Segmented Core Drill quantity Add to cart 3/4″ Diameter Ring Core Drill PART#  902-235-3084 $119.70 3/4" Diameter Ring Core Drill quantity Add to cart 5/8″ Diameter Ring Core Drill PART#  902-235-3164 $116.60 5/8" Diameter Ring Core Drill quantity Add to cart 4″ Dia. Segmented Core Drill PART#  902-230-3121 $245.00 4" Dia. Segmented Core Drill quantity Add to cart 1 1/4″ Diameter Ring Core Drill PART#  902-235-3102 $132.30 1 1/4" Diameter Ring Core Drill quantity Add to cart 1/2″ Ring Core Drill PART#  902-237-3163 $121.80 1/2" Ring Core Drill quantity Add to cart 1 1/8″ Diameter Ring Core Drill PART#  902-235-0173 $111.00 1 1/8" Diameter Ring Core Drill quantity Add to cart 1″ Diameter Ring Core Drill PART#  902-235-0171 $108.10 1" Diameter Ring Core Drill quantity Add to cart 1 3/4″ Ring Core Drill PART#  902-237-3113 $152.30 1 3/4" Ring Core Drill quantity Add to cart 2 3/8″ Diameter Segmented Core Drill PART#  902-230-0123 $172.60 2 3/8" Diameter Segmented Core Drill quantity Add to cart 7/8″ Diameter Ring Core Drill PART#  902-235-3167 $122.90 7/8" Diameter Ring Core Drill quantity Add to cart 2 3/4″ Diameter Segmented Core Drill PART#  902-230-0111 $183.10 2 3/4" Diameter Segmented Core Drill quantity Add to cart 2 1/2″ Dia. Segmented Core Drill PART#  902-230-3106 $171.00 2 1/2" Dia. Segmented Core Drill quantity Add to cart 2 1/4″ Dia. Segmented Core Drill PART#  902-230-3124 $157.50 2 1/4" Dia. Segmented Core Drill quantity Add to cart 1 3/8″ Ring Core Drill PART#  902-237-3119 $141.80 1 3/8" Ring Core Drill quantity Add to cart 5″ Dia. Segmented Core Drill PART#  902-230-3128 $290.00 5" Dia. Segmented Core Drill quantity Add to cart 1 1/4″ Ring Core Drill PART#  902-237-3102 $138.60 1 1/4" Ring Core Drill quantity Add to cart 2 1/2″ Diameter Segmented Core Drill PART#  902-230-0106 $177.10 2 1/2" Diameter Segmented Core Drill quantity Add to cart 1/2″ Diameter Replacement Shank and Diamond Tip PART#  902-225-0006 $46.60 1/2" Diameter Replacement Shank and Diamond Tip quantity Add to cart 1 3/4″ Diameter Replacement Shank and Ring PART#  902-235-2113 $71.90 1 3/4" Diameter Replacement Shank and Ring quantity Add to cart 1 1/2″ Diameter Ring Core Drills PART#  902-237-0172 $114.10 1 1/2" Diameter Ring Core Drills quantity Add to cart 7/8″ Diameter Replacement Shank & Ring PART#  902-237-2167 $49.60 7/8" Diameter Replacement Shank & Ring quantity Add to cart 2 1/4″ Diameter Segmented Core Drill PART#  902-230-0124 $142.50 2 1/4" Diameter Segmented Core Drill quantity Add to cart 1 1/2″ Dia. with 5/8-11 Female Threaded Connection PART#  902-235-0172 $129.10 1 1/2" Dia. with 5/8-11 Female Threaded Connection quantity Add to cart 2″ Diameter Replacement Shank & Ring PART#  902-235-2190 $78.90 2" Diameter Replacement Shank & Ring quantity Add to cart 6″ Dia. Segmented Core Drill PART#  902-230-3131 $339.00 6" Dia. Segmented Core Drill quantity Add to cart 2 3/4″ Dia. Segmented Core Drill PART#  902-230-3111 $174.00 2 3/4" Dia. Segmented Core Drill quantity Add to cart 1 1/2″ Ring Core Drill PART#  902-237-3099 $144.90 1 1/2" Ring Core Drill quantity Add to cart 1″ Diameter Ring Core Drill PART#  902-235-3087 $126.00 1" Diameter Ring Core Drill quantity Add to cart 1 1/4″ Diameter Ring Core Drills PART#  902-237-0174 $100.50 1 1/4" Diameter Ring Core Drills quantity Add to cart 1 5/8″ Dia. with a 5/8-11 Female Threaded Connection PART#  902-235-0176 $136.50 1 5/8" Dia. with a 5/8-11 Female Threaded Connection quantity Add to cart 1″ Diameter Replacement Shank & Ring PART#  902-237-2087 $53.20 1" Diameter Replacement Shank & Ring quantity Add to cart 3/4″ Ring Core Drill PART#  902-237-3084 $116.60 3/4" Ring Core Drill quantity Add to cart 1 3/4″ Diameter Replacement Shank and Ring PART#  902-237-2113 $65.10 1 3/4" Diameter Replacement Shank and Ring quantity Add to cart 1 3/4″ Diameter Ring Core Drill PART#  902-235-3113 $143.90 1 3/4" Diameter Ring Core Drill quantity Add to cart 3 1/2″ Diameter Segmented Core Drill PART#  902-230-0132 $232.50 3 1/2" Diameter Segmented Core Drill quantity Add to cart 2″ Diameter Replacement Shank & Ring PART#  902-237-2190 $71.70 2" Diameter Replacement Shank & Ring quantity Add to cart 1 5/8″ Diameter Replacement Shank & Ring PART#  902-235-2118 $69.70 1 5/8" Diameter Replacement Shank & Ring quantity Add to cart 3 3/4″ Dia. Segmented Core Drill PART#  902-230-3309 $215.50 3 3/4" Dia. Segmented Core Drill quantity Add to cart 1″ Ring Core Drill PART#  902-237-3087 $132.30 1" Ring Core Drill quantity Add to cart 7/8″ Ring Core Drill PART#  902-237-3167 $129.20 7/8" Ring Core Drill quantity Add to cart 1 5/8″ Diameter Ring Core Drills PART#  902-237-0176 $121.50 1 5/8" Diameter Ring Core Drills quantity Add to cart 1/2″ Diameter Replacement Shank & Ring PART#  902-235-2163 $49.80 1/2" Diameter Replacement Shank & Ring quantity Add to cart 1″ Diameter Replacement Shank & Ring PART#  902-235-2087 $58.70 1" Diameter Replacement Shank & Ring quantity Add to cart 1 3/8″ Diameter Ring Core Drill PART#  902-235-3119 $135.50 1 3/8" Diameter Ring Core Drill quantity Add to cart 1/4″ Solid Core Drill PART#  902-227-3002 $68.60 1/4" Solid Core Drill quantity Add to cart 1 1/8″ Ring Core Drill PART#  902-237-3101 $135.50 1 1/8" Ring Core Drill quantity Add to cart 5/8″ Diameter Replacement Shank & Ring PART#  902-237-2164 $46.90 5/8" Diameter Replacement Shank & Ring quantity Add to cart 3/8″ Solid Core Drill PART#  902-227-3006 $85.70 3/8" Solid Core Drill quantity Add to cart 1 1/2″ Diameter Replacement Shank & Ring PART#  902-237-2099 $61.80 1 1/2" Diameter Replacement Shank & Ring quantity Add to cart 8″ Dia. Segmented Core Drill PART#  902-230-3134 $525.00 8" Dia. Segmented Core Drill quantity Add to cart 1/2″ Hollow Core Drill PART#  902-227-3008 $97.10 1/2" Hollow Core Drill quantity Add to cart 7/8″ Diameter Ring Core Drill PART#  902-237-0178 $91.50 7/8" Diameter Ring Core Drill quantity Add to cart 1 5/8″ Ring Core Drill PART#  902-237-3118 $149.10 1 5/8" Ring Core Drill quantity Add to cart 2″ Ring Core Drill PART#  902-237-3190 $155.40 2" Ring Core Drill quantity Add to cart 5/8″ Ring Core Drill PART#  902-237-3164 $114.50 5/8" Ring Core Drill quantity Add to cart 10″ Dia. Segmented Core Drill PART#  902-230-3129 $615.00 10" Dia. Segmented Core Drill quantity Add to cart 2 3/8″ Dia. Segmented Core Drill PART#  902-230-3123 $160.50 2 3/8" Dia. Segmented Core Drill quantity Add to cart 3/4″ Diameter Replacement Shank & Ring PART#  902-237-2084 $47.00 3/4" Diameter Replacement Shank & Ring quantity Add to cart 3 1/2″ Dia. Segmented Core Drill PART#  902-230-3132 $200.00 3 1/2" Dia. Segmented Core Drill quantity Add to cart 1 1/2″ Diameter Replacement Shank & Ring PART#  902-235-2099 $67.90 1 1/2" Diameter Replacement Shank & Ring quantity Add to cart 3/16″ Diameter Replacement Shank and Diamond Tip PART#  902-225-0001 $25.90 3/16" Diameter Replacement Shank and Diamond Tip quantity Add to cart 1/2″ Diameter Ring Core Drill PART#  902-235-3163 $114.50 1/2" Diameter Ring Core Drill quantity Add to cart