Drilling Speed Comparisons - Hitachi D 10VF Technical Data And Service Manual

6-2. Drilling Speed Comparisons

Drilling speed depends on the operating conditions. The following test results are based on actual factory tests,
and should be used as a reference only.
< D 10VF>
Twist bit
Test material: Mild steel
1-3/16 (30)
1 (25)
3/4 (20)
9/16 (15)
3/8 (10)
3/16 (5)
0
Flat spade bit
Test material: Western hemlock Thrust: 44.1 lb. (196 N)
35-7/16 (900)
31-1/2 (800)
27-9/16 (700)
23-19/32 (600)
19-11/16 (500)
15-3/4 (400)
0
Thrust: 66.2 lb. (294 N)
1/4 (6.5 mm)
3/4 (20 mm)
*: Values in parentheses are in mm/min.
HITACHI D 10VF
E1
P1
5/16 (8 mm)
Bit dia. (in.)
*: Values in parentheses are in mm/min.
HITACHI D 10VF
E1
P
7/8 (22 mm)
Bit dia. (in.)
--- 8 ---
3/8 (10 mm)
1 (25 mm)