Page 345 - YG 2019

VG VG HR HR Ti / Ni VA VA VA VA VG VG VG

M4/M5/M6/ TQ808/ M0/M1/M2/
SERIES N4/O5 N3/O3 M7 TK808/ I3/M8/I5/J6 M3 I0/I2/J2 O9/IA K3/K5/K6 J3/J4/J8 IB/IC J9/K7/K2
TR808
DIN Length- DIN Length- USCTI DIN Length- DIN Length-
DESCRIPTION USCTI 302A USCTI 302A USCTI 302A USCTI 302A USCTI 302A USCTI 302A USCTI 302A
ANSI Shank ANSI Shank Long Shank ANSI Shank ANSI Shank
PAGE 433 434 435 436 437 439 440 443 444 445 449 451
HIGH PERFORMANCE TAPS THREADS UNC/UNF M/MF UNC/UNF M/MF UNC/UNF UNC/UNF UNC/UNF M/MF M/MF UNC/UNF M/MF M/MF
RECOMMENDATION TABLE TAP MATERIALS Super HSS Super HSS P-HSS P-HSS P-HSS P-HSS HSSE-V3 HSSE-V3 HSSE-V3 HSSE-V3 HSSE-V3 HSSE-V3

Super HSS : Premium HSS Metallurgy CHAMFER LENGTH 4-5P 4-5P 4-5P 4-5P 4-5P 4-5P 4-5P 4-5P 4-5P 4-5P 4-5P 4-5P
P-HSS : Powdered Metallurgy Steam Oxide Steam Oxide Steam Oxide Steam Oxide Steam Oxide Steam Oxide Steam Oxide
Steam Oxide Steam Oxide Bright Bright TiN Steam Oxide Steam Oxide
HSSE-V3 : 3% Vanadium Alloy HSS-EX SURFACE TREATMENT TiCN TiN TiCN Bright TiCN
Hardslick Hardslick TiCN TiCN Hardslick Hardslick Hardslick
HSS-V : Vanadium Alloy HSS Hardslick Hardslick Hardslick Hardslick Hardslick Hardslick Hardslick
SPIRAL FLUTE ANGLE - - - - - - - - - - -

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

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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