High Speed Steel SKH51
RECTANGULAR EJECTOR PINS WITH TIP PROCESS
P/W 0 –0.01 Free designation
Part Number – L – P – W – N – In the order of V/A/C/R/G – (AKC/AWC … etc.) ERV1X4 – 150.00 – P3.00 – W1.00 – N50 – G15 – NHC – 3 Quotation
High Speed Steel SKH51 High Speed Steel SKH51
Alterations
Alteration details D P.167
Dies Steel SKD61 + Nitrided
Alterations
Code
Spec.
Alterations
Code
Spec.
0 °
0 °
Key flat cutting (angled) AKC = 1° increments E 0 ≦ AKC < 360 E W hen combined with KSA/WSA, 90°increments only. Two parallel flats cutting (angled) AWC = 1° increments E 0 ≦ AWC < 360 E When combined with KSA/WSA, 90° increments only. Two right angled flats cutting (angled) ARC = 1° increments E 0 ≦ ARC < 360 E When combined with KSA/WSA, 90° increments only. Three flats cutting (angled) ADC = 1° increments E 0 ≦ ADC<360 E When combined with KSA/WSA, 90° increments only.
Head diameter change HC = 0.1mm increments E D + 1 ≦ HC < H
AKC
HC
4mm
270 °
90 °
180 °
JIS (6/8mm)
0 °
0 °
Head diameter change (precision) HCC = 0.1mm increments E D + 1 ≦ HCC < H–0.3
Head Thick- ness
T P/W Tolerance
T Tolerance Unit of designation G ± 10 ′ 1° increments R ± 0.05 0.1mm increments A ± 0.02 0.01mm increments V ± 0.02 0.01mm increments C ± 0.02 0.01mm increments
Part Number
AWC
HCC
270 °
90 °
P/W 0
–0.01
ER □ X/ER □ Y ERJ □ X/ERJ □ Y
4mm (T4)
0 –0.01
180 °
P/W 0
4/6/8mm (JIS)
Head thickness change TC = 0.1mm increments E T/2 ≦ TC < T (Dimensions L and N remain unchanged) E T–TC ≦ Lmax.–L
–0.02
0 °
0 °
P.189/190
Select a tip shape from
0 － 0.02 TC
ARC
TC
P/W 0
270 °
90 °
–0.005
R ≦ 0.5
T
180 °
Step R
（ D ＝ 2
R ≦ 0.3 ）
P/W 0
–0.003
Dowel hole boring NC = 90° increments
P ≧ W K ＝ P ＋ W 2 2
0 °
0 °
0 °
0 °
Standard size
ADC
NC
X Combination with other than NHC/NHN not available Range of designation/Designation method/Details of standards: D P.167
270 °
90 °
270 °
90 °
－ 0.02 0
M Material SKH51 H Hardness 58–60HRC Range of guaranteed retention diameter (D) precision/ base material hardness/Step R (Details D P.165 )
T
180 °
180 °
Total Length Designation Free designation
－ 0.01 0
＋ 5 0
（ L － N ）
－ 5 0
P
N
L ＋ 0.05 0
Dowel hole + Spring pin driving NCW = 90° increments
0 °
0 °
0 °
Two flats cutting (angled) KGA = 1° increments E 0 < KGA < 360
KGA
NCW
X Combination with other than NHC/NHN not available Range of designation/Designation method/Details of standards: D P.167 Numbering on the head Range of designation/Designation method: D P.168
90 °
90 °
270 °
270 °
N dimension short
Head thickness 4mm
Head thickness JIS
180 °
180 °
N 1mm increments
Part Number
0.01mm increments
Kmax.
Nmin.
90 °
Two flats cutting (angled) KGD = 1° increments E 0 < KGD < 360 E Pay attention to the standard position of 0°.
Angular pin
0 °
5 2 3
H T H T
Type
Tip shape D
L
P
W
KGD
NHC
180 °
5
D/2
Rectangular R dimension
2
0.80– 1.80 0.80– 2.30 1.00– 2.80 1.00– 3.30 1.00– 3.80 1.20– 4.30 1.50– 4.80 1.80– 5.30 2.00– 5.80 2.00– 6.30 2.30– 6.80 2.30– 7.80 2.30– 8.30 3.00– 9.80 3.00–10.30
1.9 2.4 2.9 3.4 3.9 4.4 4.9 5.4 5.9 6.4 6.9 7.9 8.4 9.9
4 5 6
4 5 6 7
50.00–250.00
270 °
2.5
4
Tip process
Shoulder cutting (1 plate) KSA = 0.1mm increments E W/2 + 0.1 ≦ KSA ≦ D/2–0.1 Shoulder cutting (2 parallel plates) WSA = 0.1mm increments E W/2 + 0.1 ≦ WSA ≦ D/2–0.1
3
1X 1Y 2X 2Y 3X 3Y 4X 4Y 5X 5Y 6X 6Y 7X 7Y
Automatic sequential numbering on the head Range of designation/Designation method: D P.168
1
2
3
KSA
NHN
N ≧ 33 (L ＞ 200 c N ≧ 50)
3.5
0.60–
Caulking type
7
4
8
Tapping
MC
E E RJ Available when D ≧ 8
ER (Head thickness 4mm)
4.5
Rectangular shank
8
D8/8.5 c M4 D10/10.5 c M5 E Only available combination is with CSW/CSF
(L – N) ≧ 20
WSA
MC
5
9
M × 1
5.5
6
4
D shaped
9
6
50.00–300.00
10
ERJ (Head thickness JIS)
(L – N) ≦ 200
Blade edge shape
CSW, CSF: Range of designation W CSW, CSF 1.0 ≦ W < 1.5 0.3 W ≧ 1.5 0.5 1 1.5
6.5
(C recess processing at 2 points on top)
10
11
2 － CSW R
C chamfering processing at 2 points on top (except tip) for relief is performed. Designation method CSW1 – E25
7 8
N ≧ 40 (L ＞ 200 c N ≧ 50)
0.80–
11 14 15 17
13 14 15 17
CSW
8.5
8
10
＋ 5 0
P
E
N (C processing range)
10.5
10.4
E P ≧ W E Select tip shape 1X–7Y from D P.189 / 190 .
E Designate P/W dimensions within the Kmax. K = P 2 + W 2
E P ≧ 1.5 E CSW, CSF < W/2 E = 1mm increments E 5 ≦ E ≦ (L–N)–20
(C recess at 4 points) 4 － CSF R
Part Number
In the order of V/A/C/R/G
C chamfering processing at 4 points (except tip) for relief is performed. Designation method CSF0.5 – E30
– L – P – W – N –
Order
Type Tip shape D ER 1X
CSF
4–150.00–P3.00–W1.00–N50–
G15
＋ 5 0
P
E
N (C processing range)
Precision Standard
Delivery Quotation
Pmin. Pmax.
Squareness of the tip corner
W plane as the base (Pmax.–Pmin.) ≦ 0.02
Rmax. ≦ 0.03 (deburring R) E The tip corners have been slightly trimmed to measure the P/W dimensions. (Details D P.166 )
Rmax.
Corner R value of the tip corner
191
192
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