375 40, 55, 80, 110 mm 1-1/2", 2", 3", 4" 30, 55, 80, 110 mm 1", 2", 3", 4" 30, 55, 80, 110 mm 1", 2", 3", 4" 30, 55 mm 1", 2" ANNULAR CUTTERS Overview annular cutters Nitto / Universal shank Drill depths Drill depths Drill depths Drill depths TYPE Specification Application 12-65 mm 1/2 to 2-1/16" Annular cutters carbide-tipped The most powerful annular cutters in our range. Excellent for all steels up to a strength of 1400 N and for all stainless steels. 376-391 12-60 mm 7/16 to 2-1/16" Annular cutters made of HSS-XE special steel + DURABLUE-coating The most popular coated annular cutters used on steels up to a strength of 1100 N and on all stainless steels. 392-407 12-60 mm 7/16 to 2-1/16" Annular cutters made of HSS-XE special steel + GOLD-TECH treatment The most popular uncoated annular cutters used for all steels up to 900 N and are suitable for stainless steel materials. 408-423 14-32 mm 9/16 to 1-1/16" Annular cutters made of HSS-XE special steel + GOLD-TECH treatment The most popular uncoated annular cutters used for all steels up to 900 N and are suitable for stainless steel materials. Multilayer drilling for stack (sandwich) material in steel up to 1100 N. 426-429 Copper, brass, tin Copper, brass, tin Alu Alu Gray cast iron Stainless Stainless Steel Steel < 1400 N < 1400 N > 900 N > 900 N > 10% Si > 10% Si Copper, brass, tin Alu Gray cast iron Stainless Steel < 1400 N > 900 N > 10% Si Hardox 450 Hardox 400 OPTIMAL GOOD POSSIBLE HARD- LINE BLUE-DRILL LINE GOLD-DRILL LINE GOLD-DRILL LINE SANDWICH 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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