M4x8mm 304 Stainless Steel Threaded Knurled Thumbscrew Screw on Knobs Grips Black Round Clamping Screw, Black(20 Pcs)

Knurled knobs with hand bolts are commonly used in applications that require frequent adjustments or tightening,Widely used in lathes, drill presses, sawing machines, packaging and woodworking machinery, printing, instrument and industrial equipment, and fixtures.

• Ample quantity: you will receive 20 pcs 4mm x 8mm threaded knurled thumbscrews, which can be installed in any place you need, and meet your daily use and replacement
• Quality material: the male thread knurled clamping knobs are made of quality 304 Stainless Steel, with good hardness, strength, corrosion resistance and wear resistance; It is a fastening accessory that can be applied for a long time and could be reusable for most different purpose
• Nice craftsmanship: the surface of the grip thumb screw on type round head is smooth, the thread is neat and uniform, without burrs, making the installation effect more tight
• Easy to install: the grip knob thumb screw adopts a screw-in design, which is easy to install; The surface is smooth and clean, making you feel more comfortable to hold and store
• Always tighten the knurled knob securely to prevent any movement of the fixed assembly. Do not over-tighten the knob as this may damage or strip the threads in the mating assembly. Replace the knob if necessary.