Self-tapping thread inserts with cutting hole
Thread insert with tapping hole steel zinc plated
THRINRT-SLFCUT-DRL-(DSP)-M3X4MM
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- For producing high-strength screw connections and other threaded connections in materials with low shear strength, e.g. cast iron, aluminium alloys, plastics, hardwood etc.
- The inserts are simply screwed into a pre-drilled or pre-cast hole
- Cutting performed by 3 cutting holes
- Thick walls withstand higher forces during thread cutting. This allows the inserts to be used in materials which are more difficult to machine
- Short and long version available in every diameter
- Chrome(VI)-free zinc thick film passivation for good corrosion protection (corrosion resistance in salt spray test according to DIN EN ISO 9227-NSS: 72h white rust/120 red rust)
Datasheets(X)
- Applications in the entire metal and plastic processing industry
- Thread reinforcement on tools with low shear strength, e.g. cast iron, aluminium alloys, plastics, hardwood etc.
- For repairing torn-out threads
- Short versions ideal for thin materials
- Usual applications:
- For light metals with a strength up to approx. 450-500 N/mm²
- For cast iron with hardness up to approx. 240 HB
- Plastics and fibreglass-reinforced plastics
(Tests on the original component are recommended, particularly near edges.)
 | |
Material | Steel, case-hardened |
Surface | Zinc plated thick-layer passivation |
RoHS-compliant | Yes |
Thread type x nominal diameter (d) | M3 |
Length (L) | 4 mm |
Outer diameter x pitch (D) | 5 x 0.6 mm |
Min./max. drill hole diameter | 4.6-4.8 mm |
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