
| External | E | R | - | 20 | 20 | K | 16 | - | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||||||
| Internal | I | R | N 16 | 18 | M | 16 | - |
1 Utilisation 5 Minimum Bore Size (Internal) E I
External Internal
L R
Left Hand Right Hand
N = No Anvil
4. Internal Shank Diameter 4 & 5. External Square Shank e.g. 16 = d 16 mm e.g. 2020 = 20 x 20mm
D 1 d
Internal: e.g. 18 = D Ø, 8mm 1 d
D 1 Min. Bore
D = 60 Q = 180 F = 80 R = 200 H = 100 S = 250
K = 125 T = 300 L
L = 140 U = 350 M = 150 V = 400 P = 170
IC L mm Inch
| 06 | 5/32 | IC |
| 08 | 3/16 | |
| 08U | 3/16 | |
| 11 | 1/4 | |
| 16 | 3/8 | |
| 22 | 1/2 | |
| 22U | 1/2U | L |
27 5/8 27U 5/8U
U
Neutral