![]() ![]() Larger needles also have a larger eye making them ideal for thicker threads. The larger the number, the larger the needle's diameter of the blade. What does needle size #90 mean? The number classification of a needle refers to the diameter of the blade (#90 means. M-LL, M-D, etc - Approximately half the size of standard Wedge and Triangle point Smaller, neater holes, occupies about 10% of needle hole Narrow Wedge and Reverse Twist are for softer leathers Diamond Points have a smaller neater hole Clues to Changing the NeedleĬlick here for the Organ Needle Buying Guide (PDF) to help you find the right needles for your machine.ĭiamond Point and Tri Point are for hard leathers such as belts(cardboard) The needle is not a permanent machine part. There can be many more reasons for thread shredding and breaking, other than just matching correct needle eye size to thread size. If there is too much resistance, it may show up as broken thread due to heat built up in higher speed sewing and/or just restriction and resistance in the needle eye which can cause thread to shred and break. Thread a needle in your hand and let the needle slide down over the length of the thread. A good rule of thumb is that thread should not take up more than 1/2 the space of or in the needle eye depending on thread texture. Thread breakage can be caused by resistance of thread going through the needle eye/size. ~Twin needles usually break due to excessive heat build up. ~Is the fabric being pulled, pushed or dragged during sewing? ~Is the correct sewing technique being used? ~Is the thread too thick or unsuitable for the needle size and application? When a machine needle breaks, it is a warning to check the following: If a needle bends or burrs, do not sew with it. ![]() ![]() Machine needles are designed to break or shear off for the protection of the sewing machine hook mechanism, bobbin case, presser foot, or needle plate. This will avoid skipped stitches, fabric pulls and frayed threads. Replace needles more frequently when sewing synthetic fabric, appliqués or machine embroidery. Machine needles should be replaced after a maximum sewing time of 8 hours. How often should I replace my sewing needles? ![]() Organ & Schmetz Industrial Commercial Sewing Machine Needles ![]()
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