MIYANAGA
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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
12.0mm 15/32" BV12020 200mm (7-7/8") 150mm (5-7/8")
12.5mm 1/2" BV12520
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
*Vacuum bit must be used with Adaptor for Vacuum bit.

Dust Extraction adaptors

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


Deltagon Dust Extraction Bit

Deltagon Vacuum bit (Hex shank)
complete set with dust holder set
Bit
dia.(㎜)
Part No. Overall
length(㎜)
Max.drilling
depth(㎜)
24.0 BVHEX24026 460 260
25.0 BVHEX25021 410 210
25.0 BVHEX25026 460 260
28.0 BVHEX28031 510 310

Deltagon Vacuum bit (SDS-max shank)
complete set with dust holder set
Bit
dia.(㎜)
Part No. Overall
length(㎜)
Max.drilling
depth(㎜)
24.0 BVMAX24026 490 260
25.0 BVMAX25021 440 210
25.0 BVMAX25026 490 260
28.0 BVMAX28031 540 310


NOTE: Deltagon Vacuum bit must be used with Dust holder set and Stopper.

Deltagon Vacuum bit (Hex shank)
Bit
dia.(㎜)
Part No. Overall
length(㎜)
Max.drilling
depth(㎜)
24.0 BVHEXB24026 460 260
25.0 BVHEXB25021 410 210
25.0 BVHEXB25026 460 260
28.0 BVHEXB28031 510 310

Deltagon Vacuum bit (SDS-max shank)
Bit
dia.(㎜)
Part No. Overall
length(㎜)
Max.drilling
depth(㎜)
24.0 BVMAXB24026 490 260
25.0 BVMAXB25021 440 210
25.0 BVMAXB25026 490 260
28.0 BVMAXB28031 540 310

Option
Item Part No.
Dust holder set BVH
Stopper BVB