High Speed Steel SKH51
D–SHAPED EJECTOR PINS
D shaped
P/W 0
–0.01
Part Number – L – P – W – N – (AKC/AWC … etc.) ERDF 2 – 150.00 – P1.00 – W0.60 – N80 – AKC 90
High Speed Steel SKH51
Alterations
Alteration details D P.167
Dies Steel SKD61 + Nitrided
Alterations
Code
Spec.
Alterations
Code
Spec.
0 °
0 °
Head diameter change HC = 0.1mm increments E D + 1 ≦ HC < H
Key flat cutting (angled) AKC = 1° increments E 0 ≦ AKC < 360
AKC
HC
270 °
90 °
4mm
E Range of guaranteed shaft diameter (D) precision (details D P.165 ) E Step R ① (Details D P.166 Step R for rectangular ejector pins) Step R ② (Details D P.98 Step R for stepped ejector pins)
Part Number
Head Thickness (Flange)
Shape T P/W tolerance
180 °
Normal type Stepped type ERDP ERDF
JIS (6/8mm)
4mm (T4)
0 °
0 °
Head diameter change (precision) HCC = 0.1mm increments E D + 1 ≦ HCC < H−0.3
Two parallel flats cutting (angled) AWC = 1° increments E 0 ≦ AWC < 360
0 –0.01
AWC
HCC
270 °
90 °
4/6/8mm (JIS)
ERDPJ ERDFJ
P/W 0
–0.01
180 °
P/W 0
(Normal Type) ERDP ERDPJ
Head thickness change TC = 0.1mm increments E T/2 ≦ TC < T (Dimensions L and N remain unchanged) E T−TC ≦ Lmax.−L Numbering on the head Range of designation/Designation method: D P.168
–0.02
R ≦ 0.5
0 °
0 °
Step R ①
Two right angled flats cutting (angled) ARC = 1° increments E 0 ≦ ARC < 360
R ≦ 0.3 ）
（ D ≦ 2
0 － 0.02 TC
ARC
TC
P/W 0
270 °
90 °
–0.005
T
180 °
P/W 0
–0.003
0 °
0 °
Three flats cutting (angled) ADC = 1° increments E 0 ≦ ADC < 360
－ 0.02 0
T
5 2 3
Standard size
ADC
NHC
－ 0.01 0
270 °
90 °
D
0 ＋ 5 （ L － N ）
5
－ 5 0
N
180 °
0 ＋ 0.02
0 ＋ 0.05
Total Length Designation Free designation
）
（ L ＞ 200
L
L
0 °
Two flats cutting (angled) KGA = 1° increments E 0 < KGA < 360
1
2
3
NHN Automatic sequential numbering on the head Range of designation/Designation method: D P.168
KGA
(Stepped type) ERDF ERDFJ
90 °
270 °
R ≦ 0.5
Step R ①
R ≦ 0.3 ）
（ D ≦ 2
180 °
N dimension short
90 °
Two flats cutting (angled) KGD = 1° increments E 0 < KGD < 360 E Pay attention to the standard position of 0°.
Lapping on the tip face Available when W ≧ 0.6 X Not available for L–N ≦ 31
0 °
KGD
TMC
180 °
Angular pin
L
D/2
Step R ②
－ 0.02 0
270 °
T
Rectangular R dimension
M Material H Hardness
SKH51
－ 0.01 0
0 ＋ 5
P
L － N )
（
E ERDPJ/ERDFJ
58–60HRC Range of guaranteed shaft diameter (D) precision/base material hardness/Range of guaranteed surface hardness for nitriding/Step R (Details D P.97 )
－ 5 0
MC
N
Tapping D8/9 c M4 D10 c M5 D12 c M6
Available when D ≧ 8
0 ＋ 0.02
0 ＋ 0.05
Tip process
（ L ＞ 200
）
MC
E Only available
L
L
combination is with TMC
M×1
Caulking type
■ Normal type Head thickness 4mm Head thickness JIS H T H T
Part Number
0.01mm increments
N
Rectangular shank
Type
1mm increments N ≧ 30 20 ≦ (L – N) ≦ 150
D
L
W
1.5
50.00–200.00 50.00–250.00
0.75– 1.40 1.00– 1.90 1.25– 2.40 1.50– 2.90 1.75– 3.40 2.00– 3.90 2.25– 4.40 2.50– 4.90 2.75– 5.40 3.00– 5.90 3.25– 6.40 3.50– 6.90 4.00– 7.90 4.50– 8.90 5.00– 9.90 6.00–11.90
3 4 5 6 7
3 4 5 6 7 8
D shaped
2
2.5
4
Blade edge shape
3
3.5
50.00–300.00
4
4.5
ERDP (T4) ERDPJ (JIS)
8
5
9
4
5.5
6
N ≧ 30 20 ≦ (L – N) ≦ 200
9
6
10 11 13 14 15 17
6.5
10 11 14 15 17
50.00–350.00
7 8 9
8
10 12
■ Stepped type Head thickness 4mm Head thickness JIS H T H T
Part Number
0.01mm increments
N
Type
D
L
P
W 1mm increments
1.5 50.00–200.00
0.60– 1.40 0.80– 1.90 0.80– 2.40 1.00– 2.90 1.50– 3.40 2.00– 3.90 2.50– 4.40 3.00– 4.90 3.50– 5.40 4.00– 5.90 4.50– 6.40 5.00– 6.90 6.00– 7.90 6.90– 8.90 7.90– 9.90 8.90–11.90
3 4 5 6 7
3 4 5 6 7 8
N ≧ 30 20 ≦ (L – N) ≦ 150
2
50.00–250.00
2.5
4
3
3.5
50.00–300.00
4
4.5
ERDF (T4) ERDFJ (JIS)
8
5
P/2 ≦ W ≦ (P – 0.1)
9
4
5.5
6
N ≧ 30 20 ≦ (L – N) ≦ 200
9
6
10 11 13 14 15 17
6.5
10 11 14 15 17
50.00–350.00
7 8 9
8
10 12
Part Number
– L – P – W – N
Delivery Quotation
Order
(Normal type) ERDP5 – 145.05 – W3.20 – N95 (Stepped type) ERDF2 – 150.00 – P1.00 – W0.60 – N80
213
214
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