STRAIGHT CORE PINS WITH TIP PROCESS –SHAFT DIAMETER (D) SELECTION TYPE / SHAFT DIAMETER (P) 0.01mm DESIGNATION TYPE–
Head thickness JIS
Standard
Standard
L
L
■ Shaft diameter (D) selection type H T Part Number
Part Number
M Material H Hardness
T D or P Tolerance
High Speed Steel SKH51
L 0.01mm increments
Type
Shape
Shape (Tip size)
Type Shape D
4
Die Steel SKD61
C
Shape C C … 0.1mm increments
8
4.5 5 5.5
E When no C specified C = 0.4 ± 0.1
C G T R B
Shape G K … 0.5° increments Shape T F … 0.01mm increments K … 1° increments Shape R R … 0.1mm increments
Shaft diameter (D) selection type CPDJL
9
G
6
NAK80
CPDJL
30.00–120.00
6
10
6.5 7
SKD61 48–52HRC
–0.01 –0.02
T
11
DH2F
E When no R specified R = 0.4 ± 0.1
Refer to the working limits shown in the drawing.
Shaft diameter (P) designation type CPDJBL
8
13 15
8
R
10 ■ Shaft diameter (P) designation type H T Part Number L Type Shape No.
Pre-hardened Steel Hardening Steel
B
PROVA400 Pre-hardened Steel Hardening Steel
P 0.01mm increments
Shape (Tip size)
0.01mm increments
Shape (Tip shape)
Stainless Steel SUS440C
4
3.50– 3.99
8
Shape C C...0.1mm increments
R ≦ 0.3
Shape C
C ＝ 0 . 4 ± 0.1 C … 0.1mm increments When C is not specified
E When no C specified C = 0.4 ± 0.1
C ± 0.05
C G T R B
5
4.00– 4.99
9
6
(C chamfered)
MAS1C
Shape G K…0.5° increments Shape T F...0.01mm increments K…1° increments Shape R R…0.1mm increments
CPDJBL
30.00–120.00
6
5.00– 5.99
（ DorP ）－ 0 . 2 2
10
0 . 1 ≦ C ≦
4mm
and L － C ≧ 9 . 5
8
6.00– 7.99
JIS (6/8mm)
13
E When no R specified R = 0.4 ± 0.1 Refer to the working limits shown in the drawing.
－ 0.02 0
T
8
When using CKC code CKC ＝ 0.05mm increments
－ 0.02 0
Free Designation
10
8.00– 9.99
15
L
（ L －ℓ）≧ 10 and 20 ≦ K ≦ 60 K … 0.5° increments
R ≦ 0.3
D (P) –0.01 –0.02 D (P) 0
Quotation
Part Number – L – P – Tip size (C/F/K/R) CPDJBLT 5 – 32.58 – P4.10 – F21.06 – K1
Shape G
Order
Delivery
(Cone)
K ° ± 30 ´
–0.005
D (P) 0
ℓ Formula
–0.003
（ DorP ）
Part Number – L – P – Tip size C (CKC)/F/K/R (RTC) – (KC/WKC … etc.) CPDJBLC 5 – 33.62 – P4.10 – CKC0.50
ℓ＝ 2tanK
ℓ
Alterations
Total Length Designation Total Length Designation
0 － 0.02 T
Alteration details D P.323
－ 0.1 0
Shaft Diameter / Total Length Designation Free Designation
L
Alterations Code
Spec.
Alterations Code
Spec.
R ≦ 0.3
F … 0.01mm increments
K … 1° increments
Shape T
Head diameter change (precision) HCC = 0.1mm increments E (D or P) ＋ 0.5 ≦ HCC ＜ H−0.3
Single flat cutting (D or P)/2 ≦ KC ＜ H/2
K ° ± 30 ´
KC
HCC
F ≧ 12 . 00 and
1 ≦ K ≦ 45
KC － 0.01 0
(Tapered)
Tip Process
L 2
0 . 3 ≦（ L － F ）≦
About Designation Unit for Key Flat Cutting
Head thickness change TC = 0.1mm increments E T/2 ≦ TC ＜ T (Dimension L remains unchanged) E T−TC ≦ Lmax.−L
WKC Two flats cutting
Engraving
(D or P)/2 ≦ WKC ＜ H/2
0 － 0.01
and －（ L － F ） tanK ≧ 0 . 1
0
TC
－ 0.02
WKC
（
DorP ） 2
TC
0 － 0.02
T
Gas Vent
T
－ 0.02 0 0 ＋ 0.05
Varied width parallel flats cutting (D or P)/2 ≦ KAC ＜ H/2 KBC = 0.1mm increments only KAC ＜ KBC ＜ H/2
(1)To align the key
L F
KAC KBC
flat with the shaft diameter
－ 0.01 0
－ 0.01 0
TRN Relief under the head
KAC
KBC
(No need for plate chamfering)
R ≦ 0.3
R ＝ 0 . 4 ± 0 . 1 R … 0.1mm increments When R is not specified
Shape R (R chamfered)
R ± 0.1
Unit of designation Shaft diameter (D) selection 0.05mm increments possible Shaft diameter (P) designation 0.005mm increments possible
Two flats (right angled) cutting (D or P)/2 ≦ RKC ＜ H/2
Numbering on the head Range of designation and Designation method D P.324 X Combination with SKC not available Improves C chamfering tolerance C ± 0.05 c ± 0.02 E 0.1 ≦ CKC ≦ (D or P−0.2)/2 E L−CKC ≧ 9.5
RKC
RKC － 0.01 0
A15
NHC
8
（ DorP ）－ 0 . 2 2
0 . 2 ≦ R ≦
DKC Three flats cutting
C
(D or P)/2 ≦ DKC ＜ H/2
and L － R ≧ 10
0 － 0.01
DKC
DKC
0 － 0.02 T
CKC
E Shape Available for C only CKC ＝ 0.05mm increments
－ 0.02 0
L
Four flats cutting (D or P)/2 ≦ SKC ＜ H/2
SKC
Improves tip R tolerance R ± 0.1 c ± 0.05 E 0.2 ≦ RTC ≦ (D or P−0.2)/2 E L−RTC ≧ 10
－ 0.01 SKC 0
R
R ≦ 0.3
（ SR ） R
RTC
(2) To designate arbitrary key flat dimensions
Shape B
When using RC code RC ＝ 0.1mm increments （ DorP ）/ 2 ≦ RC ≦ 3 ×（ DorP ） P / 2 ≦ RC ≦（ 1 . 5 × P ）｝ ｛ P ＜ 4 Shaft diameter speci cation
E Shape Available for R only RTC = 0.1mm increments
AG °
± 0.5
Two flats (angled) cutting (D or P)/2 ≦ KGC ＜ H/2 0 ＜ AG ＜ 360 AG = 1° increments Three flats cutting at 120° (D or P)/2 ≦ KTC ＜ H/2
(Spherical)
0 °
KGC
Unit of designation 0.1mm
Spherical (SR) R is xed dimension ｛ R （ SR ）＝ ｝ 2 （ DorP ）
Tip R alteration RC = 0.1mm increments E (D or P)/2 ＜ RC ≦ RCmax. and L−ℓ ≧ 10
KGC
RC （ SR ）
120 ° 120 °
E Shaft diameter(D or P) ＜ 4 c RCmax. ＝ 1.5 × (D or P) E Shaft diameter(D or P) ≧ 4 c RCmax. ＝ 3 × (D or P) E However, RC ≦ 32 E Shape Available for B only
and L －ℓ≧ 10 But, RC ≦ 32 Formula of ℓ
RC
－ 0.01 120 ° 0
KTC
ℓ
T － 0.02 0
KTC
－ 0.1 0
L
Head diameter change HC = 0.1mm increments E (D or P) ≦ HC ＜ H E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
（ D 2 orP 2 ） 4
ℓ＝ RC －
2 － RC
HC
339
340
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