9
A125 HSS Extra Long Series Drill, Steam Tempered Finish
With Steam tempered finish and recommended for very deep or difficult to reach holes. Conventional 118° point, providing strength and saving money on easy regrinds. Suitable for many materials. Steam tempered finish retains cutting fluid and prevents chip to tool welding. Less suitable for hand-held drilling.
BS 328
HSS
118°
ST
l
DC h8
R
l20-35°
Workpiece material group suitability, starting values for cutting speed (m/min) and feed Alpha Code. Tables with feed per revolution can be found starting from page 175.
P1.1
P1.2
P1.3
P2.1
P2.2
P2.3
P3.1
P3.2
P3.3
P4.1
P4.2
P4.3
M1.1
M1.2
M2.1
M2.2
M3.1
M3.2
M3.3
M4.1
K1.1
K1.2
K1.3
K2.1
K2.2
K2.3
K3.1
K3.2
K3.3
K4.1
K4.2
K4.3
K4.4
K4.5
K5.1
K5.2
K5.3
N1.1
N1.2
N1.3
N2.1
N2.2
N2.3
N3.1
N3.2
N3.3
N4.1
N4.2
N4.3
S1.1
S1.2
S1.3
S2.1
S2.2
S3.1
S3.2
S4.1
S4.2
OAL
DCON MS
21 E
11 C 9C
22 F
24 E 9C
3C
13 C 56 F
25 E 5E
10 C
33 G
18 E
16 C
4E
4E
7C
6C
17 D
30 H
14 A 8A 5C
26 F
9C
22 G 15 C
10 D
7C
16 D 11 C
11 D
6A
12 D 9C
9B
5C
16 C
24 H 5A
4A
13 C
18 H
4A
12 C
10 C
14 C
12 G
5C
34 F
4A
4C
10 C 11 C 30 F 3A
2A
DC <= 2.2mm; 5/64” Bright.
Product A1251.4X160 A1251.5X125 A1251.5X160 A1251/16X125 A1251/16X160 A1251.8X160 A1255/64X125 A1255/64X160 A1252.0X125 A1252.0X160 A1252.2X160 A1253/32X125 A1253/32X160 A1252.5X125 A1252.5X160 A1257/64X125 A1257/64X160 A1253.0X160 A1253.0X200 A1253.0X250 A1251/8X160 A1251/8X200 A1251/8X250 A1251/8X315 A1253.3X160 A1253.5X160 128
DC
DC
DC
LCF
[inch]
[mm]
[inch]
[mm]
[mm]
[mm]
– – – 1/16 1/16 – 5/64 5/64 – – – 3/32 3/32 – – 7/64 7/64 – – – 1/8 1/8 1/8 1/8 – –
1.40 1.50 1.50 1.59 1.59 1.80 1.98 1.98 2.00 2.00 2.20 2.38 2.38 2.50 2.50 2.78 2.78 3.00 3.00 3.00 3.18 3.18 3.18 3.18 3.30 3.50
0.0551 0.0591 0.0591 0.0625 0.0625 0.0709 0.0781 0.0781 0.0787 0.0787 0.0866 0.0938 0.0938 0.0984 0.0984 0.1094 0.1094 0.1181 0.1181 0.1181 0.1252 0.1252 0.1252 0.1252 0.1299 0.1378
100.0 80.0 100.0 80.0 100.0 100.0 80.0 100.0 80.0 100.0 100.0 80.0 100.0 80.0 100.0 80.0 100.0 100.0 150.0 200.0 100.0 150.0 200.0 250.0 100.0 100.0
160.0 125.0 160.0 125.0 160.0 160.0 125.0 160.0 125.0 160.0 160.0 125.0 160.0 125.0 160.0 125.0 160.0 160.0 200.0 250.0 160.0 200.0 250.0 310.0 160.0 160.0
1.40 1.50 1.50 1.59 1.59 1.80 1.98 1.98 2.00 2.00 2.20 2.38 2.38 2.50 2.50 2.78 2.78 3.00 3.00 3.00 3.18 3.18 3.18 3.18 3.30 3.50
Product A1253.5X200 A1253.5X250 A1259/64X160 A1259/64X200 A1259/64X315 A1255/32X160 A1255/32X200 A1255/32X250 A1255/32X315 A1254.0X160 A1254.0X200 A1254.0X250 A1254.0X315 A12511/64X160 A12511/64X200 A12511/64X315 A1254.5X160 A1254.5X200 A1254.5X250 A1254.5X315 A1253/16X160 A1253/16X200 A1253/16X250 A1253/16X315 A1253/16X400 A1255.0X160
DC
DC
DC
LCF
OAL
DCON MS
[inch]
[mm]
[inch]
[mm]
[mm]
[mm]
– – 9/64 9/64 9/64 5/32 5/32 5/32 5/32 – – – – 11/64 11/64 11/64 – – – – 3/16 3/16 3/16 3/16 3/16 –
3.50 3.50 3.57 3.57 3.57 3.97 3.97 3.97 3.97 4.00 4.00 4.00 4.00 4.37 4.37 4.37 4.50 4.50 4.50 4.50 4.76 4.76 4.76 4.76 4.76 5.00
0.1378 0.1378 0.1406 0.1406 0.1406 0.1563 0.1563 0.1563 0.1563 0.1575 0.1575 0.1575 0.1575 0.1719 0.1719 0.1719 0.1772 0.1772 0.1772 0.1772 0.1875 0.1875 0.1875 0.1875 0.1875 0.1969
150.0 200.0 100.0 150.0 250.0 100.0 150.0 200.0 250.0 100.0 150.0 200.0 250.0 100.0 150.0 250.0 100.0 150.0 200.0 250.0 100.0 150.0 200.0 250.0 300.0 100.0
200.0 250.0 160.0 200.0 310.0 160.0 200.0 250.0 310.0 160.0 200.0 250.0 310.0 160.0 200.0 310.0 160.0 200.0 250.0 310.0 160.0 200.0 250.0 310.0 400.0 160.0
3.50 3.50 3.57 3.57 3.57 3.97 3.97 3.97 3.97 4.00 4.00 4.00 4.00 4.37 4.37 4.37 4.50 4.50 4.50 4.50 4.76 4.76 4.76 4.76 4.76 5.00