HELICOIL® machine taps

spiral fluted 45° | For blind holes
Thread type: UNC | Product group: Accessories | Product type: 0141.4
Diameter (d)
UNC 4-40
Pitch (P)
0,63
Packaging unit (pcs.)
1
Please select a version to see prices and availability.
Type 0141.4 HELICOIL® machine tap to create holding threads for HELICOIL® thread inserts with UNC threads as per NASM33527. 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 2B

Note:
• Up to UNC 8-32 2-flute
• From UNC 10-24 3-flute and additionally for soft steels with 450 N/mm² strength max.
Thread type:
UNC
Product type:
Machine taps
Product group:
Accessories
Product type:
0141.4
HELICOIL® Plus thread technology: Intelligent system solution comprising a fastener and efficient processing for high-strength screw joints
PDF
ENG
0100/24-V1-EN
HELICOIL® Plus: Thread technology for high-strength fastenings - imperial threads
PDF
ENG
0101/15.02
Product Guide: 360° Joining Technology
PDF
ENG
1190/24-V1-EN (WBH)
Data sheet: Technical information and dimensions of the product
PDF
ENG
02/2024