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Machine Tap DIN376 Thread Tap

Model NO.: DIN 376 HT
Chamfer Type: C5 (5-7 Threads)
Flute Type: Straight Flute
Coating: Ticn/Tin/Nocated
Limit: 6h
Flute: 3
Overall Length: 70 Mm
Flute Length: 13 Mm
Shank Diameter: 3.5 Mm
Tang: 2.7 Mm
Specification: M4.5
Trademark: HEGONG/OEM

Product Description

DIN376 Straight Flute Tap

Metric Thread Compliance:
Designed for DIN 376 standard metric threads (e.g., M8×1, M10×1.25), ensuring high-precision thread profiles.

Straight Flute Design:
Chip Evacuation: Optimized for both through holes and blind holes, threading in continuous machining operations.
Rigidity: Superior stability compared to spiral taps, ideal for hard materials.

Material & Coating:
HSS-E (High-Speed Steel with Cobalt): Hardness up to 63-65 HRC, enhanced wear resistance for long tool life.
Optional TiN/TiCN Coating: Reduces friction and extends durability in high-temperature applications.

High-Speed Machining:
Suitable for CNC machines and automatic lathes at speeds up to 15 m/min.

Thread Quality:
Ground Thread Profile: Achieves 6H tolerance class for critical applications.

TYPICAL APPLICATION SCENARIOS

Precision Engineering:
Threading hydraulic valve blocks, precision gears, and bearing housings in alloy steel (e.g., 42CrMo).

Automotive Manufacturing:
Tapping engine cylinder head bolts (threads for high clamping force) and transmission shafts.

Heavy Machinery:
Producing high-strength fasteners and flange connections in carbon steel (e.g., S45C).

Aerospace Components:
Threading landing gear parts and actuator systems requiring DIN standard threads.

General Metalworking:
High-volume production of metric threaded components in workshops with automated equipment.

Product Parameters

DIN371-Machine-Tap-Spiral-Flute-HSS-Tap-for-Metric-Stainless-Steel-Thread-Tap (4)DIN371-Machine-Tap-Spiral-Flute-HSS-Tap-for-Metric-Stainless-Steel-Thread-Tap (5)

Size L Lc Limit d k Flute
M3 56 9 6H 2.2 2.5
M3.5 56 11 6H 2.5 2.1 2.9
M4 63 12 6H 2.8 2.1 3.3
M4.5 70 13 6H 3.5 2.7 3.7
M5 70 13 6H 3.5 2.7 4.2
M6 80 15 6H 4.5 3.4 5
M7 80 15 6H 5.5 4.3 6
M8 90 18 6H 6 4.9 6.8
M9 90 18 6H 7 5.5 7.8
M10 100 20 6H 7 5.5 8.5
M11 100 20 6H 8 6.2 9.5
M12 110 23 6H 9 7 10.2
M14 110 25 6H 11 9 12
M16 110 25 6H 12 9 14
M18 125 30 6H 14 11 15.5
M20 140 30 6H 16 12 17.5
M22 140 30 6H 18 14.5 19.5
M24 160 36 6H 18 14.5 21

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