SizeCodeClassD (mm)T (mm)Clearance holesRecessTypeStock
3/16W24TYEW03MDNEBCⅡ20741○
TYGW03MDNEBC2593△
7/32W24TYEW3HMDNEBCⅡ20741△
TYEW04NDNEBC207○
1/4W20TYGW04NDNEBCⅡ25941△
TYJW04NDNEBC3813○
5/16W18TYGW05ODNEBC TYJW05ODNEBCⅡ25 389 1341○ △
TYGW06PDNEBC2595○
3/8W16TYJW06PDNEBCⅡ38131
TYMW06PDNEBC50164△
7/16W14TYJW07QDNEBC TYMW07QDNEBCⅡ38 5013 1641△
1/2W12TYJW08SDNEBC TYMW08SDNEBCⅡ38 5013 1641○ △
9/16W12TYJW09SDNEBCⅡ381351△
5/8W11TYJW10UDNEBC TYMW10UDNEBCⅡ38 5013 165 41○
3/4W10TYMW12VDNEBCⅡ501651○
7/8W9TYMW14WDNEBCⅡ501661○
1 W8TYMW16XDNEBCⅡ501661○
1 1/8W7TYRW18YDNEBCⅡ632062△
1 1/4W7TYRW20YDNEBCⅡ632062△
1 3/8W6TYUW22ZDNEBCⅡ752562△
1 1/2W6TYUW24ZDNEBCⅡ752562△
For Screw Threadsused on Sewing Machines
SizeCodeClassD (mm)T (mm)Clearance holesRecessTypeStock
3/32SM56TYES06EDNEBCⅡ2073○1△
1/8SM40TYES08HDNEBCⅡ20731△
1/8SM44TYES08GDNEBCⅡ20731△
9/64SM40TYES09HDNEBCⅡ20731△
11/64SM40TYES11HDNEBCⅡ20741△
3/16SM28TYES12KDNEBCⅡ20741△
3/16SM32TYES12JDNEBCⅡ20741△
7/32SM32TYES14JDNEBCⅡ20741△
15/64SM28TYES15KDNEBCⅡ20741△
1/4SM24TYES16MDNEBCⅡ20741△
1/4SM40TYES16HDNEBCⅡ20741△