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DIN371/DIN374 Spiral Point Steam Homo (TB274)
New
Thread Class: 2B
Thread Form: B
Thread Shape: UNF
Thread Angle: 60°
Surface Treatment: Steam Oxide Coating
Tool Material: HSS-E
Tool Standard: DIN 371-374
Made in South Korea
DIN371/DIN374 Spiral Point Steam Homo (TB274)
Product Code: TB274







- Suitable for through hole in more cutting speed than other taps due to thick web.
Product Data
Workpiece Material | P M |
Operation | Blind Drilling |
Surface Treatment | Steam Oxide Coating |
Thread Angle | 60 |
Thread Class | 2B |
Thread Form | B |
Thread Shape | UNF |
Tool Material | HSS-E |
Tool Standard | DIN 371-374 |

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Add DIN371/DIN374 Spiral Point Steam Homo (TB274) to comparison
View Comparison
EDP No. Size TPI Thread Length Overall Length Neck Length Shank Diameter Square Size Square Length No. of Flute
TB274182 #4 48 11 56 18 3.5 2.7 6 3
TB274222 #5 44 11 56 18 3.5 2.7 6 3
TB274262 #6 40 12 56 20 4 3 6 3
TB274302 #8 36 13 63 21 4.5 3.4 6 3
TB274342 #10 32 15 70 25 6 4.9 8 3
TB274382 #12 28 16 80 30 6 4.9 8 3
TB274422 1/4 28 17 80 30 7 5.5 8 3
TB274462 5/16 24 17 90 35 8 6.2 9 3
TB274502 3/8 24 18 100 39 9 7 10 3
TB274542 7/16 20 22 100 40 8 6.2 9 3
TB274582 1/2 20 22 100 40 9 7 10 3
TB274622 9/16 18 22 100 40 12 9 12 3
TB274662 5/8 18 22 100 40 11 9 12 3
TB274722 3/4 16 25 110 44 14 11 14 4
TB274762 7/8 14 26 125 50 18 14.5 17 4
TB274802 1" 12 28 140 54 18 14.5 17 4
TB274842 1-1/8 12 30 150 60 22 18 21 4
Operation
Blind Drilling

Work Material
P Carbon Steels
Great
Good
Great
Excellent
P Structural Steels
Great
Good
Great
Excellent
P Mild & Free Machining
Great
Good
Great
Excellent
M Stainless Steels
Excellent
Good
Great
Excellent
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