Die Steel SKD61 High Speed Steel SKH51
STRAIGHT CORE PINS – SHAFT DIAMETER (P) DESIGNATION / L DIMENSION DESIGNATION TYPE –
L
Part Number – L – P – (KC/WKC … etc.) CPPB–L3 – 35.72 – P2.70 – KC1.5 CPMB–L3 – 8.00–P2.990– TC3.0
T Tolerance P L
M Material
H Hardness
High Speed Steel SKH51
Type
Group
Alterations
Alteration details D P.323
Die Steel SKD61
Alterations Code
Spec.
Alterations Code
Spec.
CPDB–L
SKD61
48–52HRC
E P ≦ HC ＜ H, P ≧ 0.3
Head diameter change
–0.01 –0.02
HC = 0.1mm increments E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
Single flat cutting P/2 ≦ KC ＜ H/2 P ≧ 0.6
NAK80
KC
HC
CPXB–L
SKH51
58–60HRC
KC － 0.01 0
+ 0.02 0
Standard
DH2F
About Designation Unit for Key Flat Cutting
CPPB–L
SKD61
48–52HRC
Head diameter change (precision) HCC = 0.1mm increments E P + 0.5 ≦ HCC ＜ H−0.3, P ≧ 0.6 Head thickness change TC = 0.1mm increments (Dimension L remains unchanged) E 4 － TC ≦ Lmax. － L Relief under the head (No need for plate chamfering) Available when P ≧ 0.6
Two flats cutting P/2 ≦ WKC ＜ H/2 P ≧ 0.6
WKC
HCC
0 –0.005
0 － 0.01
WKC
Pre-hardened Steel Hardening Steel
CPHB–L
SKH51
58–60HRC
Varied width parallel flats cutting P/2 ≦ KAC ＜ H/2 KBC = 0.1mm increments only P ≧ 0.6 KAC ＜ KBC ＜ H/2 Two flats (right angled) cutting P/2 ≦ RKC ＜ H/2 P ≧ 0.6
R ≦ 0.3
PROVA400 Pre-hardened Steel Hardening Steel
KAC KBC
(1) To align the key flat
P TC 0.30 ≦ P ＜ 0.80 2.0 ≦ TC ＜ 4.0 0.80 ≦ P ≦ 19.995 1.5 ≦ TC ＜ 4.0
0
TC
－ 0.01 0
－ 0.01 0
TC
－ 0.02
with the shaft diameter
KAC
KBC
CPZB–L
SKD61
48–52HRC
4
Unit of designation 0.005mm increments possible Precision Type 0.0025mm increments possible Extra precision type 0.0005mm increments possible
Stainless Steel SUS440C
+ 0.01 0
0 –0.005
Precision
CPVB–L
RKC
TRN
SKH51
58–60HRC
－ 0.02 0
T ＝ 4
RKC － 0.01 0
MAS1C
L
Numbering on the head Range of designation and Designation method: D P.324 E Available when H ≧ 2 X Combination with SKC not available. Total length tolerance alteration L + 0.01 0 c + 0.005 0 (L designation in 0.005mm increments possible) E Available when 1.5 ≦ D ≦ 5 E Available when CPMB–L Gas vent machining GS/GB = 1mm increments E Available when P ≧ 2 E 2 ≦ GS ≦ 10 GS + 2 ≦ GB ≦ 30 L － GB ≧ 10 Designation method D P.324
+ 0.01 0
0 –0.003
Extra precision
Three flats cutting P/2 ≦ DKC ＜ H/2 P ≧ 0.6
CPMB–L
SKH51
58–60HRC
4mm
A15
DKC
NHC
0 － 0.01
8
DKC
DKC
JIS (6/8mm)
■ Standard / Precision type
■ Extra precision type
Four flats cutting P/2 ≦ SKC ＜ H/2 P ≧ 0.6
Free Designation
SKC
LKC
L 0.01mm increments
P 0.001mm increments
P
Part Number
－ 0.01 SKC 0
Part Number
L 0.01mm increments
H
L
(2) To designate arbitrary key flat dimensions Unit of designation 0.1mm
Type No.
Standard 0.01mm increments
Precision 0.005mm increments
H
D (P) –0.01 –0.02 D (P) 0
0 ° KGC AG °
± 0.5
Two flats (angled) cutting P/2 ≦ KGC ＜ H/2 P ≧ 0.6 0 ＜ AG ＜ 360 AG = 1° increments Three flats cutting at 120° P/2 ≦ KTC ＜ H/2, P ≧ 0.6
Type
No.
0.5 7.00– 60.00 0.300– 0.499
2
KGC
GVC
GS
–0.005
CPXB–L CPHB–L CPVB–L
GB
0.5 7.00– 60.00 0.30– 0.49 0.300– 0.495
2
L
0.6
0.500– 0.599
D (P) 0
–0.003
E Similar products with GVC alteration "Gas release core pins" D P.347 – 350
0.6
0.50– 0.59 0.500– 0.595
120 ° 120 °
1
0.600– 0.999
3
－ 0.01 120 ° 0
KTC
1
0.60– 0.99 0.600– 0.995
3
1.5
1.000– 1.499
Total Length Designation
KTC
1.5
1.00– 1.49 1.000– 1.495
2
1.500– 1.999
4
Shaft Diameter / Total Length Designation Free Designation
7.00–100.00
2
1.50– 1.99 1.500– 1.995
4
2.5
2.000– 2.499
5
2.5
2.00– 2.49 2.000– 2.495
5
3
2.500– 2.999
6
7.00–100.00
Tip Process
3
2.50– 2.99 2.500– 2.995
6
3.000– 3.499
3.5
7
3.5
3.00– 3.49 3.000– 3.495
4
3.500– 3.999
Engraving
CPMB–L
7
CPDB–L CPXB–L CPPB–L CPHB–L CPZB–L CPVB–L
4
3.50– 3.99 3.500– 3.995
7.00–120.00
4.000– 4.499
4.5
Gas Vent
8
4.5
4.00– 4.49 4.000– 4.495
5
4.500– 4.999
8
5 7.00–120.00
4.50– 4.99 4.500– 4.995
5.000– 5.499
5.5
9
CPHB−L CPVB−L only 7.00–150.00
5.5
5.00– 5.49 5.000– 5.495
6
5.500– 5.999
9
6
5.50– 5.99 5.500– 5.995
6.000– 6.499
6.5
10
6.00– 6.49 6.000– 6.495
6.5
7
6.500– 6.999
10
7
6.50– 6.99 6.500– 6.995
8.00–100.00
8
7.000– 7.999
11
8.00–120.00
8
7.00– 7.99 7.000– 7.995
11
10
8.000– 9.999
15
10
8.00– 9.99 8.000– 9.995
15
13
10.000–12.999
18
CPHB−L CPVB−L only 8.00–150.00
13
10.00–12.99 10.000– 12.995
18
Part Number – L – P CPPB–L3 – 35.72 – P2.77
16
13.00–15.99 13.000– 15.995
21
Order
20
16.00–19.99 16.000– 19.995
25
Quotation Delivery
331
332
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