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COVID-19: How WIDIA is responding

Boring Bars

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  • W (4)
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  • TopThread TopGroove (4)
Min. Bore Diameter (INCH)
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Min. Bore Diameter (METRIC)
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Hand of Tool (INCH)
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  • L - Left (2)
Hand of Tool (METRIC)
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  • L - Left (2)
Connection Style (METRIC)
  • Boring Bar Shank (4)
Connection Style (INCH)
  • Boring Bar Shank (4)
Connection Type (METRIC)
  • Boring Bar (4)
Connection Type (INCH)
  • Boring Bar (4)
Internal Coolant Capability (METRIC)
  • Yes (4)
Internal Coolant Capability (INCH)
  • Yes (4)
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TopThread™

TopThread™ W

TopThread™

Boring Bars

ISO - A50UNNTOR4
ANSI - A50UNNTOR4
Grade - W
Product # 3641661
Web Title ISO ANSI All Star Product #
TopThread™ W A40TNNTOL3 A40TNNTOL3 No 3641659
TopThread™ W A25RNNTOL2 A25RNNTOL2 No 3641657
TopThread™ W A32SNNTOL3 A32SNNTOL3 No 3641656
TopThread™ W A12MNNTOL2 A12MNNTOL2 No 3641655
TopThread™ W A40TNNTOR4 A40TNNTOR4 No 3641654
See all additional sizes and grades

TopThread™

TopThread™ W

TopThread™

Boring Bars

ISO - A10KNNTOR1
ANSI - A10KNNTOR1
Grade - W
Product # 3641648
Web Title ISO ANSI All Star Product #
TopThread™ W A12MNNTOR1 A12MNNTOR1 No 3641647
See all additional sizes and grades

TopThread™

TopThread™ W

TopThread™

Boring Bars

ISO - A32NEL4
ANSI - A32NEL4
Grade - W
Product # 3632149
Web Title ISO ANSI All Star Product #
TopThread™ W A32NER6 A32NER6 No 3632143
TopThread™ W A16NEL2 A16NEL2 No 3632142
TopThread™ W A28NEL4 A28NEL4 No 3632141
TopThread™ W A08NEL2 A08NEL2 No 3632131
TopThread™ W A16TNER2 A16TNER2 No 3632130
See all additional sizes and grades

TopThread™

TopThread™ W

TopThread™

Boring Bars

ISO - A10NER1
ANSI - A10NER1
Grade - W
Product # 3632148
Web Title ISO ANSI All Star Product #
TopThread™ W A06NER1 A06NER1 No 3632121
TopThread™ W A08NER1 A08NER1 No 3632119
See all additional sizes and grades