Torque conversion
calculator

Interchangeable Bit


interchangeable bits

Root Sizes

  A B C D
Tohnichi Custom Bit Standard Market 1/4 Hex Root Style Bit Tohnichi Custom Bit
Root Dimension bit A bit B bit C bit D
Applicable Models U30CN U60CN - 1000CN, UR500CN
MG60CN - 250CN, MF6N - 12N
LTD15CN - 1000CN, RTD15CN - 50CN
BMLD15CN - 30CN, BMRD15CN - 30CN
NTD15CN - 1000CN, RNTD15CN - 500CN
FTD50CN - 400CN, FTD2CN-S - 400CN2-S
STC50CN - 400CN
RTDZ260CN, 500CN
FTD8N, 16N
FTD8N2-S, 16N2-S

 

  E F G H
Tohnichi Custom Bits Standard Market
Root Dimension bit E bit F bit G bit H
Applicable Models OLD MODEL
(02FTD - 2FTD)
AMLD1CN - 8CN, AMRD1CN - 8CN
MTD1MN - 10MN
LTD2000CN AUR5N

 

Type Point Shape Size Root Shape Catalog No.
+ BIT A-0 Plus #0 (S-0) A 104
+ BIT B-1 Plus #1 (H-1) B 85
+ BIT B-2 Plus #2 (H-2) B 86
+ BIT B-3 Plus #3 (H-3) B 87
+ BIT C-0 Plus #0 (S-0) C 109
+ BIT C-1 Plus #1 (H-1) C 106
+ BIT C-2 Plus #2 (H-2) C 107
+ BIT D-1 Plus #1 (H-1) D 84
+ BIT D-2 Plus #2 (H-2) D 80
+ BIT D-3 Plus #3 (H-3) D 81
+ BIT E-1 Plus #1 (H-1) E 70
+ BIT F-0 Plus #0 (S-0) F 115
+ BIT F-1 Plus #1 (H-1) F 116
+ BIT G-3 Plus #3 (H-3) G 35
+ BIT G-4 Plus #4 (H-4) G 36
+ BIT H-3 Plus #3 (H-3) H 700
- BIT A-13 Minus 0.4 x 2.4 (mm) A 105
- BIT A-15 Minus 0.7 x 7 (mm) A 88
- BIT A-16 Minus 0.9 x 7 (mm) A 89
- BIT C-14 Minus 0.6 x 3.8 (mm) C 108
- BIT D-20 Minus 1.4 x 14 (mm) D 82
- BIT D-18 Minus 1 x 12 (mm) D 83
- BIT E-14 Minus 0.6 x 3.8 (mm) E 71
- BIT F-10 Minus 0.15 x 1 (mm) F 111
- BIT F-11 Minus 0.2 x 1.5 (mm) F 112
- BIT F-12 Minus 0.3 x 2 (mm) F 113
- BIT G-17 Minus 1 x 10 (mm) G 37
- BIT G-18 Minus 1 x 12 (mm) G 38
- BIT G-19 Minus 1.2 x 17 (mm) G 39
SQUARE BIT B-□2 Square 6.35 (mm)
1/4 (in)
B 90
SQUARE BIT G-□2 Square 6.35 (mm)
1/4 (in)
G 33
SQUARE BIT G-□3 Square 9.53 (mm)
3/8 (in)
G 34
BOX BIT B-W5.5 Box 5.5 (mm) B 91
BOX BIT B-W6 Box 6 (mm) B 95
BOX BIT B-W7 Box 7 (mm) B 92
BOX BIT B-W8 Box 8 (mm) B 93
BOX BIT B-W10 Box 10 (mm) B 94
HEX BIT B-W1.27 Hex 1.27 (mm) B 56
HEX BIT B-W1.5 Hex 1.5 (mm) B 57
HEX BIT B-W2 Hex 2 (mm) B 58
HEX BIT B-W2.5 Hex 2.5 (mm) B 59
HEX BIT B-W3 Hex 3 (mm) B 60
HEX BIT B-W4 Hex 4 (mm) B 61
HEX BIT B-W5 Hex 5 (mm) B 62
HEX BIT B-W6 Hex 6 (mm) B 63
HEX BIT B-W8 Hex 8 (mm) B 64
Hexalobular Bit C-T5 Hexalobular T5 C 470
Hexalobular Bit C-T6 Hexalobular T6 C 471
Hexalobular Bit C-T8 Hexalobular T8 C 472

 

NOTE:

  1. Please use catalog No. when ordering.
  2. We no longer supply English sized bits.
  3. Underlined and orange highlighted catalog numbers are available to purchase online at Amazon.com (click to link)
  4. Ask us and we can add any stocked bit to the Amazon listings.

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