Page 257 - Michigan Drill

Floating Die & Tap Holder System

THREADEX TM

Cutting external and internal threads is simple, Exclusively
safe, accurate, and inexpensive! By
• Simple: Cut threads on any lathe fitted with a Morse Taper tailstock
• Accurate: Improves thread quality with fewer part rejections over hand held method Watch our instructional videos on
• Faster: 4 to 5 times faster than threading with a single point tool www.MichiganDrill.com/videos THREADING
• Safe: Reduces chance for operator injury

Floating Tap Holder
Head Shank
Assembly

Tap not included

Heads Shank
Max. Morse
Tap Fits Head Price Fits Shank Price
Range Thread Shank Number Number Each Taper Head Number Number Each
Length No.
0 – 1/4 2-3/8 FDHS-2T FTH-014 127.23 2 FTH-014 FDHS-2T 82.52
1/4 – 1/2 2-7/8 FDHS-3T, FDHS-4T FTH-1412 161.62 3 FTH-1412, FTH -1234 FDHS-3T 110.03
1/2 – 3/4 2-7/8 FDHS-3T, FDHS-4T FTH-1234 196.00 4 FTH-1412, FTH -1234 FDHS-4T 128.95
3/4 – 1 3-7/8 FDHS-4HD, FDHS-5T FTH-3410 230.39 4 FTH-3410,FTH -1114, FTH-114112 FDHS-4HD 161.62
1 – 1-1/4 3-7/8 FDHS-4HD, FDHS-5T FTH-1114 264.77 5 FTH-3410,FTH -1114, FTH-114112 FDHS-5T 240.70
1-1/4 – 1-1/2 3-7/8 FDHS-4HD, FDHS-5T FTH-114112 300.87

Floating Die Holder
Head Shank
Assembly

Die not included
Heads Shank
Max.
Fits Die Thread Fits Head Price Morse Fits Shank Price
Taper
O.D. Length Shank Number Number Each No. Head Number Number Each
13/16 2-3/8 FDHS-2T FDH81-2 84.24 2 FDH1-2, FDH81-2 FDHS-2T 82.52
1 2-3/8 FDHS-2T FDH1-2 84.24 3 FDH1-34, FDH15-34, FDH2-34 FDHS-3T 110.03
1 2-7/8 FDHS-3T, FDHS-4T FDH1-34 99.72 4 FDH1-34, FDH15-34, FDH2-34 FDHS-4T 128.95
1-1/2 2-7/8 FDHS-3T, FDHS-4T FDH15-34 99.72 4 FDH25-4HD5 FDHS-4HD 161.62
2 2-7/8 FDHS-3T, FDHS-4T FDH2-34 110.03 5 FDH25-4HD5 FDHS-5T 240.70
2-1/2 3-7/8 FDHS-4HD, FDHS-5T FDH25-4HD5 168.49

Simulated tailstock assembly Simulated tailstock assembly

Threadex Operating Instructions
®
Step 1 Select head to fit desired die O.D. or tap range, insert and secure die or tap.
Step 2 Select appropriate shank and install into lathe tailstock.
Step 3 Slide head onto shank and advance tailstock within proximity of work piece.
Step 4 Lock tailstock and advance holder with tailstock crank until head begins to self feed.
Step 5 Reverse lathe at desired point and reverse tailstock crank a few turns as head is backing off work piece.
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