Die Steel SKD61 + Nitriding
Shaft diameter/Total length designation type
STRAIGHT EJECTOR PINS WITH TIP PROCESS –P/L DIMENSION DESIGNATION TYPE–
L
Part Number – L – P – A/V/E/J/W/R/SR/F/G/K/Q – (AKC/AWC … etc.) EPJB2A 10 – 200.00 – P8.50 – V5.0 – G70 – TC6
High Speed Steel SKH51 + Hard chromate Die Steel SKD61 + Nitriding High Speed Steel SKH51
Alterations
Alteration details D P.9
Alterations
Code
Spec.
Alterations
Code
Spec.
90 °
Key flat cutting (angled) AKC = 1° increments E 0 ＜ AKC ＜ 360 E No need to designate AKC0 Two parallel flats (angled) cutting AWC = 1° increments E 0 ≦ AWC < 360 Right angled two flats cutting ARC = 1° increments E 0 ≦ ARC ＜ 360 Three flats (angled) cutting ADC = 1° increments E 0 ≦ ADC ＜ 360
Head diameter change HC = 0.1mm increments E P + 1 ≦ HC ＜ H
0 ° θ 0
AKC
HC
0 °
180 °
P/2
－ 0.1
270 °
Head thickness change TC = 0.1mm increments E T/2 ≦ TC ＜ T (Dimensions L and F remain unchanged) E T−TC ≦ Lmax.−L
Die Steel SKD61
90 °
P.71–74
Select tip shape from
b 1 (Range of guaranteed shaft diameter precision)
x 1
θ 0 °
TC － 0.02 0
AWC
TC
0 °
180 °
0 － 0.1
P/2
Pre–Hardened Die Steel SKD61
270 °
T
90 °
Numbering on the head Range of designation and Designation method: D P.10 Automatic sequential numbering on the head Range of designation and Designation method: D P.10 Single flat cutting E Available for tip shapes 6A/9A/11A/12A/13A/30A E C ombination only with HC/HCC/TC/NHC/NHN available
217
Stainless Steel SUS440C
θ
ARC
NHC
0 °
180 °
0 °
R ≦ 0.3 ）
R ≦ 0.5 （ P ≦ 2
0 － 0.1
P/2
270 °
T
－ 0.01 － 0.02
90 °
P
4mm
1
2
3
F L
θ
ADC
NHN
0 °
180 °
0 °
0 － 0.1
JIS (6/8mm)
P/2
270 °
90 ° θ
Two flats (angled) cutting KGA = 1° increments E 0 ＜ KGA ＜ 360
10mm
KGA
NKC
180 °
0 °
0 － 0.1
E To position Core Pins to process, make a key flat cutting at the standard 0°.
P/2
270 °
P –0.01 –0.02 P 0 - 0.005
Two flats (angled) cutting KGB = 1° increments E 0 ＜ KGB ＜ 360 E Pay attention to the standard position of 0°. Varied dimension flat cutting P/2 ≦ KAC < H/2 KBC = 0.1mm increments only KAC < KBC < H/2 X Combination with other key flat cutting not available
SKD61 equivalent + Nitriding 900HV– Base material: 40–45HRC
0 °
M Material
θ
Part Number
Head thickness T T Tolerance T P Tolerance
H Hardness Surface:
KGB
90 °
270 °
EPNB □ A EPJB □ A
0 –0.02 0 –0.05
4mm (T4)
Range of guaranteed shaft diameter precision/base material hardness/Range of guaranteed surface hardness for nitriding (Details D P.7 )
180 °
P 0
–0.01 –0.02
–0.002
6/8mm (JIS)
Standard Size Total Length Designation
KAC KBC
Head thickness 4mm
Head thickness JIS
0 °
Part Number
0.01mm increments
0 － 0.1 KAC
0 － 0.1
KBC
Type
Shaft Diameter Designation Shaft Diameter/ Total Length Designation
Head thickness 4mm
Head thickness JIS
H T H T
Tip shape
No.
L
P
2
1.50— 1.99 2.00— 2.49 2.50— 2.99 3.00— 3.49 3.50— 3.99 4.00— 4.49 4.50— 4.99 5.00— 5.49 5.50— 5.99 6.00— 6.49 6.50— 6.99 7.00— 7.99 8.00— 9.99
4 5 6
Tip Process
50.00 — 250.00
1A 2A 3A 4A 5A 6A 7A 8A 9A 10A
11A 12A 13A 14A 15A 16A 17A 18A 19A 20A
21A 22A 23A 24A 25A 26A 27A 28A 29A 30A
31A 32A
2.5
–
–
–
Engraving
3
3.5
Gas Vent
50.00 — 300.00
7
4
8
4.5
8
5
EPNB
9
4
5.5
6
9
6
10
EPJB
6.5
50.00 — 350.00
10
11
7 8
11 15
13 15 17
10 12
8
17 10.00—11.99 E Due to the tip shape processing, the surface hardness of the shape becomes the base metal hardness. E Nitriding may extend to the head as it is applied after dimension P machining. E Select a tip shape 1A–32A from D P.71 – 74
Part Number
– L – P – Sequence of A/V/E/J/W/R/SR/F/G/K/Q
Order
Type Tip shape No. EPJB 2A 10 – 200.00 – P8.50 – V5.0 – G70
Quotation
Delivery
81
82
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