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Type 0141.4 HELICOIL® machine tap to create holding threads for HELICOIL® thread inserts with metric normal and fine screw threads as per DIN 8140-2. The tap is suited for blind holes.
Properties:
• Spiral flute 45° right-hand spiral
• 2-pitch chamfer
• 15 % cutting angle
• For wrought aluminium alloys with 500 N/mm² strength max.
• Also for cast aluminium alloys with very low Si content (= 2 %)
• Tolerance class 5H (6H mod.)
Note:
• Up to M8 2-flute
• From M9 3-flute and additionally for soft steels with 450 N/mm² strength max.
Properties:
• Spiral flute 45° right-hand spiral
• 2-pitch chamfer
• 15 % cutting angle
• For wrought aluminium alloys with 500 N/mm² strength max.
• Also for cast aluminium alloys with very low Si content (= 2 %)
• Tolerance class 5H (6H mod.)
Note:
• Up to M8 2-flute
• From M9 3-flute and additionally for soft steels with 450 N/mm² strength max.
Thread type:
Metric standard and fine thread
Product group:
Accessories
Product type:
0141.4
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Product Guide: 360° Joining Technology
HELICOIL® Plus: Thread technology for high-strength fastenings
– metric threads
