uxcell Knob Insert Nuts, Pack of 50, M4x4mm Lx5.5mm OD, Brass Heat-Set Inserts for 3D Printing

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1. KEY FEATURES: - Specifications - Thread Size: M4 x 0.7mm(Diameter*Pitch); Overall Size: 4mm x 5.5mm / 0.16" x 0.22"(Length*Outer Diameter); Package Content: 50pcs x Insert Nuts with Knobs - Material - Brass material, with high hardness and durability.It has improved corrosion and heat resistance and provides good mechanical properties. - Features - Recessed nuts are guided so no counterbore or countersink is required.The surface is smooth, firm and even, easy to install. - Advantages - The outer diameter of the insert is embossed, which allows it to form a constant frictional and interlocking force with the brass insert after forming, allowing it to be fixed internally.It is fixed so that it does not come off easily and has constant twist and tension. - Applications - Can be attached to plastic matrices using ultrasound or heat, or formed during injection.Widely used for firmly fixing 3D printing casting, computer products, electronic products, board fixing, etc.

2. PRODUCT DESCRIPTION: Description: 1. Material - Brass material, with high hardness and durability.It has improved corrosion and heat resistance and provides good mechanical properties.2. Features - Recessed nuts have guides, so no counterbore or countersink is required.The surface is smooth, firm and even, easy to install.3. Advantages - The outer diameter of the insert is embossed, which can form a constant frictional and interlocking force with the brass insert after forming and fix it inside.It is fixed so that it does not come off easily and has constant twist and tension.4. Applications - Can be attached to plastic matrices using ultrasound or heat, or formed during injection.Widely used for firmly fixing 3D printing casting, computer products, electronic products, board fixing, etc.Specifications: Material: Brass Finish: Passivation Thread Size: M4 x 0.7mm (Diameter*Pitch) Overall Size: 4mm x 5.5mm / 0.16" x 0.22" (Length*Outside Diameter) Package Contents: 50pcs x Insert Nuts with Knobs

3. PRODUCT DIMENSIONS & WEIGHT: - Weight: 0.02 kg - Dimensions: 8.3 x 4.6 x 1.4 cm

4. SPECIFICATIONS: