Reddit reviews Mudder 100 Pairs Butterfly Clutch Tie Tacks Pin Back Replacement with Blank Pins for Craft Making (Silver)
We found 1 Reddit comments about Mudder 100 Pairs Butterfly Clutch Tie Tacks Pin Back Replacement with Blank Pins for Craft Making (Silver). Here are the top ones, ranked by their Reddit score.
Tie tacks: pins size is 4.5 mm in diameter, 8 mm in length; Clutch backs size is 11 mm in diameter, with silver color, small and low profileNo tools required: butterfly clutch with spring fastener slices allow you to install and remove it easily, handy and convenient for useDurable and sturdy: clutch backs and blank pins are made of brass, sturdy and light, lock pins firmly and keep them secure100 Abundant pairs: 100 set of tie tacks, enough for replacement to your torn or lost one, also good supplies for making DIY craftsVersatile: blank pins and clutch back can be applied to tie tacks, badge insignia, citation bars, service bars and jewelry making, etc.
I think the term you were looking for is "blank pin back" or "tie tack". Here's an Amazon listing for 100: tie tacks on amazon
I've seen "tie tack" listings on alibaba for tens of thousands of units too if you need that many.