Page 339 - YG 2019

MU MU MU MU VA VA VG VG VG VG HR HR

TB TH TCE-S/C TCG-S/C TQ858/
SERIES TB-N TH-N TC-S TC-C TK-S TK-C TCF-S/C TCH-S/C BB/BI BH/BM BF/BK BD/BO H6/H7/H8 TK858/
TR858
DIN Length- DIN Length- DIN Length- DIN Length-
DESCRIPTION USCTI 302A USCTI 302A USCTI 302A USCTI 302A USCTI 302A USCTI 302A USCTI 302A USCTI 302A
ANSI Shank ANSI Shank ANSI Shank ANSI Shank
PAGE 381 382 383 384 385 387 392 394 395 396 397 398
HIGH PERFORMANCE TAPS THREADS UNC/UNF M UNC/UNF M/MF UNC/UNF M/MF UNC/UNF M/MF UNC/UNF M/MF UNC/UNF M/MF
RECOMMENDATION TABLE TAP MATERIALS HSS-EX HSS-EX HSS-EX HSS-EX Super HSS Super HSS Super HSS Super HSS Super HSS Super HSS P-HSS P-HSS
HSS-EX HSS-EX
Super HSS : Premium HSS Metallurgy CHAMFER LENGTH 4-5P 4-5P 4-5P 4-5P 4P 4P 2-3P 2-3P 2-3P 2-3P 2-3P 2-3P
P-HSS : Powdered Metallurgy Bright Steam Oxide
Bright Bright Steam Steam Steam Oxide Steam Oxide Steam Oxide Steam Oxide Steam Oxide Steam Oxide
HSSE-V3 : 3% Vanadium Alloy HSS-EX SURFACE TREATMENT TiCN TiCN TiCN TiCN
TiN TiN Oxide Oxide TiCN TiCN Hardslick Hardslick Hardslick Hardslick
HSS-V : Vanadium Alloy HSS Hardslick Hardslick
SPIRAL FLUTE ANGLE - - - - - - R40° R40° R40° R40° R15° R15°

◎= RECOMMENDED THREAD DEPTH 3.0D 3.0D 3.0D 3.0D 3.0D 3.0D 2.5D 2.5D 2.5D 2.5D 2.5D 2.5D
○= SUITABLE HOLE TYPE Through Through Through Through Through Through Blind Blind Blind Blind Blind Blind

COOLANT
A = Cutting Oil Cutting Speed
T = Oil Emulsion (SFM)
X = Cutting Oil/Oil Emulsion
Hardness Hardness COOLANT
(HRc) (BHN)
Material Material Sub-Group
Group ISO Uncoated Coated

Low carbon steels
Free machining carbon steels P < 15 < 180 25 - 50 50 - 80 T ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ○ ○ ○ ○
Medium to high carbon steels
Low alloyed steels P < 23 < 240 25 - 50 50 - 80 T ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ◎ ◎ ◎ ◎
Steel
Steel castings & forgings > 24 > 250
Heat-treatable alloy steels P ≤ 38 ≤ 350 6 - 30 10 - 35 X ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ ○
Alloyed tool steels > 38 > 350 6 - 12 - A
Mold steels P ≤ 44 ≤ 420 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
Free machining stainless steels M < 23 < 240 12 - 35 20 - 50 A ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
Stainless Heat-and corrosion-resistant stainless steels M > 24 > 250 12 - 15 12 - 15 A ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ ○
Steel Valve stainless steels ≤ 38 ≤ 350
Stainless steel castings > 38 > 350 12 - 15 - A
Precipitation hardening stainless steels M ≤ 44 ≤ 420 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
Grey cast iron K - ≤ 220 35 - 50 50 - 65 T ◎ ◎ ◎ ◎ ◎ ◎
Cast Iron Nodular cast iron / Chilled cast iron
Meehanite iron / Ductile iron K - ≥ 250 12 - 45 25 - 55 X ◎ ◎ ◎ ◎ ◎ ◎
Copper Pure and alloyed copper N - - 50 - 60 65 - 100 T ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ○ ○
Free machining brass
Brass Alloyed brass N - - 30 - 65 - T ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ○ ○
Bronze N 44 < 420 12 - 20 35 - 80 T ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
Pure Aluminum N - - 50 - 65 - T ◎ ◎ ◎ ◎ ○ ○ ○ ○
Aluminum Aluminum alloys
Aluminum alloy castings N - - 40 - 65 45 - 90 T ◎ ◎ ◎ ◎
Zinc N - - 25 - 65 50 - 80 T ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ○ ○
Magnesium N - - - 45 - 100 T ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ○ ○
718 & 625 INCOn / Waspaloy
Hastelloyn / Invar S ≤ 38 ≤ 350 10 - 15 - A ○ ○
Nickel Moneln / Incoloy
Alloys
718 Inconel > 38 > 350
A286 S ≤ 44 ≤ 420 10 - 12 - A ○ ○
Titanium S ≤ 38 ≤ 350 3 - 15 - A ○ ○
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