MIYANAGA
English (World wide)
Customers in North America, please click here.

The actual sizes are in metric, and imperial sizes are approximate.
The bit size (diameter) is based on MIYANAGA standard.
Bit size D Part No. Overall length L Max. drilling depth l
mm inch
12.5mm 1/2" BV12520 200mm (7-7/8") 150mm (5-7/8")
14.5mm 9/16" BV14520
16.0mm 5/8" BV16020
18.0mm 45/64" BV18020
18.0mm 45/64" BV18026 260mm (10-1/4") 210mm (8-1/8")
19.0mm 3/4" BV19020 200mm (7-7/8") 150mm (5-7/8")
19.0mm 3/4" BV19026 260mm (10-1/4") 210mm (8-1/8")
20.0mm 25/32" BV20020 200mm (7-7/8") 150mm (5-7/8")
20.0mm 25/32" BV20026 260mm (10-1/4") 210mm (8-1/8")
21.0mm 13/16" BV21026
22.0mm 7/8" BV22026
22.5mm   BV22526
23.0mm 29/32" BV23026
24.0mm 15/16" BV24026
25.0mm 1" BV25026
28.0mm 1-3/32" BV28031 310mm (12-13/64") 260mm (10-1/4")
30.0mm 1-3/16" BV30031
32.0mm 1-1/4" BV32036 360mm (14-3/16") 310mm (12-13/64")
* The dust extraction adaptor is necessary for the use of the dust extraction bits.


Item Part No.
HEX BVHEX
SDS-plus BVSDS
SDS-max BVMAX



Copyright © 2005-2008 MIYANAGA Co., Ltd. All rights reserved.
For customers in US and Canada, please visit www.miyanagaamerica.com.