GEFU® thread-rolling screw With Taptite 2000® thread, flat head with hexalobular drive
GEFU stainless steel A2 plain flat head TX
SCR-PANHD-TT2000-TX20-A2-M4,0X16
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Self-tapping screws form a nut thread in cast blind holes, rim holes and drilled, lasered and punched sheet metal parts. Unlike thread cutting, self-tapping does not interrupt the material structure in the receiving thread. Instead, the material is displaced and strain-hardened.
Benefits:
Cost savings
- Eliminates thread cutting
Non-cutting thread formation
Low rolling torques with greater thread flank overlap
- TRILOBULAR shape of the core diameter combined with the radius profile of the thread flanks
High clamping force
- Due to low rolling torques
High load-bearing capacity
- Due to large thread flank overlap
- Due to strain-hardened counter thread (nut thread)
Protection against loss (reduced likelihood of screw working loose)
- Play-free and self-locking thread seating
The formed thread corresponds to a standard metric thread
- Where necessary, the GEFU screw can be replaced with a metric screw.
The suitability of the GEFU for the application or component in question must be determined through preliminary testing.
Examples of materials suitable for this type of non-cutting direct screw connection are ductile materials such as aluminium, zinc, brass, copper etc.
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Thread type x nominal diameter (d1) | M4 |
Length (l1) | 16 mm |
Head diameter (dk) | 8 mm |
Head height (k1) | 3.1 mm |
Head type | Flat head |
Material | Stainless steel A2 |
Surface | Plain |
Thread type | Metric thread |
Internal drive | TX20 |
Guideline values for hole diameters | 3.7 mm |
RoHS-compliant | Yes |
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