Precision
High Speed Steel SKH51
PRECISION RECTANGULAR EJECTOR PINS –FREE DESIGNATION TYPE–
P/W 0
–0.005 Free designation
Part Number – L – P – W – N – (AKC/AWC … etc.) ERVF 5.5 – 105.03 – P3.50 – W0.65 – N55 – AWC 0 Quotation
High Speed Steel SKH51
Alterations
Alteration details D P.167
Dies Steel SKD61 + Nitrided
Alterations
Code
Spec.
Alterations
Code
Spec.
Head diameter change HC = 0.1mm increments E D + 1 ≦ HC < H E Available when D ≧ 1.5
Key flat cutting (precision) VAK = 45° increments E 0 ≦ VAK < 360 X Combination with KSA/WSA not available Two parallel flats cutting (Precision) VAW = 45° increments E 0 ≦ VAW < 360 X Combination with KSA/WSA not available Key flat cutting (angled) AKC = 1° increments E 0 ≦ AKC < 360 E When 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. E (P–) ERVYF available in 90° increments Two right angled flats cutting (angled) ARC = 1° increments E 0 ≦ ARC < 360 E When combined with KSA/WSA, 90° increments only. X (P–) ERVYF not available Three flats cutting (angled) ADC = 1° increments E 0 ≦ ADC < 360 E When combined with KSA/WSA, 90° increments only. X (P–) ERVYF not available
0 °
0 °
HC
VAK
90 °
270 °
4mm
Part Number
Head Thickness T P/W Tolerance
180 ° 0 °
ERVYF (small diameter) P–ERVY F (small diameter angular tip corner) ERVF P–ERVF (Angular tip corner) ERVJ
JIS (6/8mm)
Head diameter change (precision) HCC = 0.1mm increments E D + 1 ≦ HCC < H–0.3 E Available when D ≧ 1.5
0 °
HCC
4mm (T4)
VAW
0 –0.005
270 °
90 °
P/W 0
–0.01
180 °
Head thickness change TC = 0.1mm increments E T/2 ≦ TC < T (Dimensions L and N remain unchanged) E T–TC ≦ Lmax.–L, D ≧ 1.5 Dowel hole boring NC = 90° increments E Available when H ≧ 4 X Combination with other than NHC/NHN/TMC not available Range of designation/Designation method/ Details of standards: D P.167 Dowel hole + Spring pin driving NCW = 90° increments E Available when H ≧ 4 X Combination with other than NHC/NHN/TMC 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 Automatic sequential numbering on the head Range of designation/Designation method: D P.168
4/6/8mm (JIS)
P/W 0
0 °
0 － 0.02 TC
TC
0 °
–0.02
R ≦ 0.5
AKC
90 °
270 °
T
（ D ≦ 2 R ≦ 0.3 ）
Step R
P/W 0
–0.005
180 °
2 W ＋ K P ＝ P ≧ W
0 °
0 °
P/W 0
–0.003
0 °
NC
2
0 °
270 °
90 °
AWC
270 °
90 °
Standard size
180 °
0 － 0.02
） － 0.05 0
（ L ＞ 300
－ 0.005 0
T
T
P
180 °
＋ 5 0
0 － 5
（ L － N ）
N
Total Length Designation Free designation
M Material SKH51 H Hardness 58–60HRC Range of guaranteed retention diameter (D) precision/base material hardness/Step R (details D P.165 )
＋ 0.02 0
＋ 0.05 0
（ L ＞ 200
）
L
L
0 °
0 °
0 °
0 °
NCW
ARC
270 °
90 °
270 °
90 °
180 °
180 °
Head thickness 4mm
Head thickness JIS
N dimension short
Part Number
0.01mm increments
N 1mm increments
Kmax.
Nmin.
0 °
0 °
Angular pin
5 2 3
NHC
Head thickness 4mm ERVYF (Head thickness 4mm) P–ERVYF (Angular tip corner)
Head thickness JIS
H T H T
D
L
P
W
ADC
270 °
90 °
5
Rectangular R dimension
0.8 0.9
0.30– 0.60 0.30– 0.70
0.7 0.8
180 °
1
2
3
Tip process
NHN
10 ≦ (L – N) ≦ 50
40.00–100.00
2
0 °
Two flats cutting (angled) KGA = 1° increments E 0 < KGA < 360 X (P–) ERVYF not available
1
0.30– 0.80
0.9
KGA
Caulking type
90 °
– –
–
Lapping on the tip face E Available when P ≧ 0.6 X (P–) ERVYF not available X Not available for L–N ≦ 31 Total length tolerance alteration L + 0.02 0 c + 0.01 0 E Available when L ≦ 200
270 °
1.1 1.2 1.3 1.4
0.30– 0.90 0.30– 1.00 0.30– 1.10 0.30– 1.20
1.0 1.1 1.2 1.3 1.4 1.9 2.4 2.9 3.4 3.9 4.4 4.9 5.4 5.9 6.4 6.9 7.9 9.9
23
180 °
TMC
0.20–
L
Rectangular shank
10 ≦ (L – N) ≦ 150
40.00–200.00
Two flats cutting (angled) KGD = 1° increments E 0 < KGD < 360 X (P–) ERVYF not available E Pay attention to the standard position of 0°.
90 °
3
0 °
KGD
180 °
D shaped
D/2
1.5 40.00–250.00 0.50– 1.30
3 4 5 6 7
LKC
270 °
L
2
0.80– 1.80 0.80– 2.30 0.80– 2.80 1.00– 3.30 1.00– 3.80 1.20– 4.30
4 5 6
Blade edge shape
2.5
Shoulder cutting (1 plate) KSA = 0.1mm increments E W/2 + 0.1 ≦ KSA ≦ D/2–0.1 E D ≧ 1.5 Shoulder cutting (2 parallel plates) WSA = 0.1mm increments E W/2 + 0.1 ≦ WSA ≦ D/2–0.1 E D ≧ 1.5
26
4
4
40.00–300.00
Tapping D8 c M4 D10 c M5 D12/15 c M6
E Only available combination is with CSW/CSF/TMC
MC
3
ERVF (Head thickness 4mm) P–ERVF (Angular tip corner)
KSA
27
MC
3.5
0.30–
7
E Only ERVJ available E Available when D ≧ 8
4 40.00–300.00 (40.00–350.00) 4.5
M × 1
8
29
8
5
1.50– 4.80 0.40–
(C recess processing at 2 points on top)
WSA
ERVJ (Head thickness JIS)
10 ≦ (L – N) ≦ 250
9
31
CSW, CSF: Range of designation
C chamfering processing at 2 points on top (except tip) for relief is performed. Designation method CSW1 – E25
2 － CSW R
5.5
1.80– 5.30 2.00– 5.80 2.00– 6.30 2.30– 6.80 2.30– 7.80 3.00– 9.80
6
9
W CSW, CSF
6
10
33
CSW
1.0 ≦ W < 1.5 0.3
6.5
0.50–
10
11
50.00–300.00 (50.00–350.00)
7 8
0.5 1 1.5
＋ 5 0
W ≧ 1.5
P
(C processing range)
E
11 15
13 15 17 20
N
40
10 12 15
8
E P ≧ 1.5 E CSW, CSF < W/2 E = 1mm increments E 5 ≦ E ≦ (L–N)–20
3.50–11.80 0.80– 3.50–14.80 1.50–
11.9 14.9
(C recess at 4 points)
– –
–
4 － CSF R
C chamfering processing at 4 points (except tip) for relief is performed. Designation method CSF0.5 – E30
E P ≧ W
E Designate P/W dimensions within Kmax. K = P 2 + W 2
E L dimension in ( ) is for ERVJ.
CSF
PartNumber – L – P – W – N ERVF 5.5 – 105.03 – P3.50 – W0.65 – N55
＋ 5 0
P
(C processing range)
Order
E
N
Precision Standard
ERVYF P–ERVYF ERVF P–ERVF ERVJ ERVYF ERVF ERVJ
Pmin. Pmax.
Squareness of the tip corner
Quotation
W plane as the base (Pmax. – Pmin.) ≦ 0.01
Delivery
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
4 － R ≦ 0.03
Approximately within 5mm from the tip is without deburring process. 5 mm onward, deburring R is within ( ≦ 0.03).
P–ERVYF P–ERVF
173
174
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