Page 490 - YG 2019

SELECTION GUIDE FORMING TKR03 SERIES
TAPS

FORMING TAPS FORMING TAPS MODIFIED BOTTOMING STYLE
Tapping by Forming Soft Materials

Thread Depth / 3.0×D
INCH/METRIC Hole Type
Tool Work Thread Surface
EDP No. MODEL Standard Dimensions Tolerance Chamfer Page
Material Material Depth Treatment
USCTI
TKR03 Super HSS UNC/UNF GV USCTI 302A H 2 ~ 3P TiCN 491

ZF HSSE-V3 UNC/UNF GV USCTI 302 H 2 ~ 3P Bright 492 Super UNC USCTI 2P~3P
GV HSS UNF 302A TiCN

4 ~ 5P
Z0/Z1/Z2/Z3 HSSE-V3 UNC/UNF GV USCTI 302A H 1.5 ~ 2P Bright 493 Thread Per Inch EDP No.
TiN
SIZE No. of Lobe Class of fit
4 ~ 5P
Z4/Z5/Z6/Z7 HSSE-V3 UNC/UNF GV USCTI 302A H 1.5 ~ 2P 3.0D Bright 495 UNC UNF 2B (TiCN) 3B (TiCN)
TiN
#4 40 — 4 TKR03165 H5 TKR03163 H3
Z8/ZA/ZC GV 4 ~ 5P Bright 497
Z9/ZB/ZD HSSE-V3 M/MF USCTI 302A D 1.5 ~ 2P TiN / TiCN #5 40 — 4 TKR03205 H5 TKR03203 H3
#6 32 — 4 TKR03245 H5 TKR03243 H3
T7R01/T8R01/ #8 32 — 4 TKR03285 H5 TKR03283 H3
THR01 4 ~ 5P Bright #10 24 — 4 TKR03326 H6 TKR03324 H4

T7R02/T8R02/ HSS UNC/UNF GV USCTI 302A H 1.5 ~ 2P TiN / TiCN 498 #10 — 32 4 TKR03346 H6 TKR03344 H4
THR02 1/4 20 — 4 TKR03406 H6 TKR03404 H4
1/4 — 28 4 TKR03426 H6 TKR03424 H4
5/16 18 — 4 TKR03447 H7 TKR03445 H5
5/16 — 24 4 TKR03467 H7 TKR03465 H5
3/8 16 — 4 TKR03487 H7 TKR03485 H5
3/8 — 24 4 TKR03507 H7 TKR03505 H5
▶Refer to technical data on page 520~554.

◎ : Excellent ○: Good
P M K
Low carbon steels/ Medium to high Steel castings & forgings / Alloyed tool steels/ Free machining Heat-and corrosionresistant Stainless steel castings / Grey
Free machining carbon steels/ Heat-treatable alloy steels Mold steels stainless steels stainless steels / Precipitation hardening cast iron
carbon steels Low alloyed steels Valve stainless steels stainless steels
~HRc15 ~HRc23 ~HRc24 (~HB250) ~HRc38 (~HB350) ~HRc23 ~HRc24 (~HB250) ~HRc38 (~HB350) ~HRc19
(~HB180) (~HB240) ~HRc38 (~HB350) ~HRc44 (~HB420) (~HB240) ~HRc38 (~HB350) ~HRc44 (~HB420) (~HB220)
◎ ◎ ◎
K N S
Nodular cast iron / Pure and Free machining Pure Aluminum/ Aluminum 718 & 625 INCO / 718
Chilled cast iron / brass Bronze alloy Zinc Magnesium Waspaloy / Hastelloy / Inconel / Titanium
Meehanite iron / Ductile iron alloyed copper / Alloyed brass Aluminum alloy castings Invar / Monel / Incoloy A286
~HRc24 (~HB250)
◎ ◎ ◎ ◎ ◎ ◎
490 phone:+1-800-765-8665, Technical Support : 888-868-5988, www.yg1usa.com phone:+1-800-765-8665, Technical Support : 888-868-5988, www.yg1usa.com • 491