Specification for Tap-set; UNS 1/4"; 40; L: 56mm; Holder: square,hand; 4.9mm; 2pcs.
| Material | HSS-G |
| Length | 56mm |
| Quantity in package | 2pcs. |
| Tools application | for blind holes, to the through holes |
| Kind of thread | inch, right hand thread |
| Working part length | 14mm |