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90˚ UltraFINE Finishing Heads

  • AccuSET 0.0001" graduated dial allows fast and easy adjustments

  • Manufactured from top quality steel alloy, hardened to 58-60 HRc to minimize wear

  • Pin-and-taper coupling system ensures maximum rigidity

Product Description

UltraFINE finish heads feature an 11˚ relief angle that provides an ultra-smooth finish, reducing the need for extra operations. AccuSET graduated dial for fast and easy cutting adjustments in 0.0001″ increments. Roughing and Finishing heads are available in 75° and 90° lead angles for both through bores and blind bores. 

Part No.DescriptionMinMaxD (mm)d (mm)LInsertScrew
6390253A-22-90-310 W.945"1.181"22121.39"TP_1.8(1.5)6811250
6390258A-27-90-310 W1.142"1.575"27151.65"TP_01.8(1.5)6811260
6390266A-32-90-310 W1.535"1.969"32181.77"TP_1.8(1.5)6811260
6390276A-42-90-311 W1.929"2.559"42242.20"TP_2216811262
6390291A-54-90-311 W2.48"3.228"54282.59"TP_2216811262
6390306A-68-90-2CT-311 W3.15"4.016"68363.39"2CT 90 3116811262
6390321A-85-90-3CT-311 W3.94"4.921"85503.94"3CT 90 3116811266
6390336A-100-90-3CT-311 W4.92"6.299"110603.94"3CT 90 3116811270
6390351A-200-90-3CT-311 W6.29"8.66"145603.94"3CT 90 3116811262
6390366A-300-90-3CT-311 W8.661"12.598"202603.54"3CT 90 3116811262
6390381A-400-90-3CT-311 W11.417"15.748"272603.54"3CT 90 3116811266
6390396A-500-90-3CT-311 W14.566"19.685"2352603.54"3CT 90 3116811270
SKU 6390253 6390258 6390266 6390276 6390291 6390306 6390321 6390336 6390351 6390366 6390381 6390396 Categories , Tags , , ,

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