■【Tap and dice size】1/4 BSW 20 (may be described as 1/4 - 20 BSW)■ Outside diameter of screw is based on "1/4" pitch "20" per inch". ■ In addition to BSW, there are UNC/UNF/BSF with different standards and pitches. We will not answer any questions regarding the pitch or inch standard of the product that is eligible for. ■ Please use a handle for "dice diameter 1.0 inch (25 mm) diameter diameter 1.0 inch (25 mm). ■ Tap Total Length Approx. 2.9 inches (73 mm) Base Width Approx. 0.2 inches (5 mm) ■ Dice Thickness Approx. 0.4 inches (9 mm) ■ This product is a set of tap and dice. (We do not sell them separately. When reassembling, please apply lubricating oil and rotate 180 degrees and return to 90 degrees according to the normal working procedures. ■ Even with relatively soft metal, you can cut the threads from the hole without the use of a tap for the punch, but for very hard steel, it can be used to make a correction. ■ Please check the pitch gauge and check the cutting diameter with temporary grinding to avoid mistakes. We will refuse returns and exchanges for reasons such as the size of the product that is not suitable for use.
■Regarding product shipment. ■This product will be delivered by post-mailbox. Delivery date and time of delivery cannot be selected. Please note that due to the thickness restrictions, packaging may be simple. ■ When recreating the look, apply lubricant and rotate 180 degrees and repeat the 90 degrees back according to the normal work procedures. ■ Even with relatively soft metal, you can cut the threads from the hole without the use of a tap for the punch, but it can be used to fix the threads with very hard steel. ■ Please check the pitch gauge and check the cutting diameter with temporary grinding to avoid mistakes. ■ In addition to BSW, there are UNC/UNF/BSF with different standards and pitches. We will not answer any questions regarding the pitch or inch standard of the product that is eligible for. Due to the import process, the burrs may have slight individual differences in size, and there may be minor scratches, stains, etc. Please refrain from purchasing if you are looking for the quality of Japanese products or concerned about the condition of the product. This product is sold for those with some knowledge of installation and tools. Please note that we cannot accept any questions or support regarding compatibility, installation, basic use, etc. Please contact a professional if you are unsure about handling this product. We will not accept any returns for defects due to usage laws that are not used in regular usage, or liability for injuries or damages. Thank you for your understanding. ※We will refuse returns and exchanges due to reasons such as the size of the product that is not suitable for use