Home / Drilling & Tapping / Tapping / Die Holder, Acorn, 1″ Shank, Butterfield No 4 Die Holder, Acorn, 1″ Shank, Butterfield No 4$99.00 Category: Tapping Description Description Dies (2) 5/8″ 18 TPI, 3/4″-10, (2)3/4″-16 TPI 7 Pounds Related products Sale! Die Head, Threading Threads, National Acme DS 1-5/8 $149.00 Original price was: $149.00.$39.00Current price is: $39.00. Read more Tap, Pipe, 3/8″ 18 NPT HS, Wells $19.00 Read more Die Head, Geometric 5/16″ $149.00 Read more Tap, Metric, M10 x 1.25, OSG (48 Available) “New” $10.00 Read more