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Core Bit Extensions

Core Bit Extensions offer a quick, easy and low cost way to achieve greater drilling depths with our Blue and Black Turbo core bits. Multiple tube extensions may be used extending the drilling depth in increments of 12". Turbo core bits and extensions must be ordered together.

Diameter Length Wall Thickness Part #
1-1/4" (32mm) 12" 2.0mm 168451
1-3/8" (35mm) 12" 2.0mm 168450
1-1/2" (38mm) 12" 2.0mm 168452
1-3/4" (44mm) 12" 2.0mm 168453
2" (51mm) 12" 2.0mm 168454
2-1/4" (57mm) 12" 2.0mm 168455
2-1/2" (64mm) 12" 2.0mm 168456
3" (76mm) 12" 2.0mm 168457
3-1/4" (83mm) 12" 2.2mm 168458
3-1/2" (89mm) 12" 2.2mm 168459
4" (102mm) 12" 2.5mm 168460
4-1/4" (108mm) 12" 2.5mm 168461
4-1/2" (114mm) 12" 2.5mm 168462
5" (127mm) 12" 2.5mm 168463
6" (152mm) 12" 2.7mm 168464
6-1/4" (159mm) 12" 2.7mm 168465