Sosmetal Products, Inc. 2026 Product Catalog
SOSMETAL PRODUCTS INC.
FASTENERS & HARDWARE THREAD REPAIR
COIL-THREAD INSERTS (EXACT INTERCHANGE FOR HELI-COIL)
A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21
Permanent, wear-resistant, corrosion resistant Stainless Steel inserts.
MASTER COIL-THREAD INSERTS USS (COARSE) &SAE (FINE) Part No. 813005 • 196 pieces • 24 items • 12045 plastic tray
USS (COARSE) 10-24 1/4-20 5/16-18 3/8-16 7/16-14
USS (COARSE) 1/2-13 5/8-11 3/4-10 7/8-9 M6 x 1.00
USS (COARSE) M7 x 1.00 M8 x 1.25
SAE (FINE) 10-32 1/4-28 5/16-24 3/8-24 7/16-20
SAE (FINE) 1/2-20 5/8-18 3/4-16 7/8-14 M8 x 1.00
M10 x 1.50 M12 x 1.75
Numbers in assortment
COIL-THREAD INSERTS METRIC
COIL-THREAD INSERTS USS (COARSE) Part No. 813006 84 pieces • 11 items 12038 plastic tray
COIL-THREAD INSERTS SAE (FINE) Part No. 813007 76 pieces • 10 items 12039 plastic tray
Part No. 813008 64 pieces • 8 items 12039 plastic tray
M5 x .80 M6 x 1.00 M7 x 1.00
M8 x 1.00 M8 x 1.25 M10 x 1.50
M12 x 1.75 M14 x 2.00
8-32 10-24 1/4-20
5/16-18 3/8-16 7/16-14
1/2-13 5/8-11 3/4-10
7/8-9 1-8
10-32 1/4-28 5/16-24
3/8-24 7/16-20 1/2-20
5/8-18 3/4-16 7/18-14
1-14
Numbers in assortment
Numbers in assortment
Numbers in assortment
COIL-THREAD INSERTS USS (COARSE) Part No. 501644 99 pieces • 11 items 12061 steel tray
COIL-THREAD INSERTS SAE (FINE) Part No. 501645 91 pieces • 10 items 12061 steel tray
COIL-THREAD INSERTS METRIC USS (COARSE) Part No. 501646 100 pieces • 10 items 12061 steel tray
8-32 10-24 1/4-20
5/16-18 3/8-16 7/16-14
1/2-13 5/8-11 3/4-10
7/8-9 1-8
10-32 1/4-28 5/16-24
3/8-24 7/16-20 1/2-20
5/8-18 3/4-16 7/18-14
1-14
M5 x .80 M6 x 1.00 M7 x 1.00
M8 x 1.25 M9 x 1.25 M10 x 1.50
M12 x 1.75 M16 x 2.00 M18 x 2.50
M20 x 2.50
Numbers in assortment
Numbers in assortment
Numbers in assortment
COIL-THREAD INSERTS METRIC SAE (FINE) Part No. 501647 95 pieces • 12 items 12061 steel tray
M8 x 1.00 M10 x 1.00 M10 x 1.25
M12 x 1.25 M12 x 1.50 M14 x 1.50
M16 x 1.50 M18 x 2.50 M18 x 2.00
M20 x 1.50 M20 x 2.00 M22 x 1.50
NOTE: Assortments do not include drills, taps or installation tools
Numbers in assortment
SIMPLE INSTALLATION
The first step in creating a new, stronger thread is cleaning up the original, damaged threads. This is done with a standard drill, the size of which is indicated on the coil thread chart. The hole is then tapped with an oversize tap. The free diameter of the coil-thread insert is larger than the new threaded hole, but it is easily “wound” into place with the inserting tool provided. Once in place, the insert tends to spring back to its original diameter, giving it a very strong grip in the hole. Finally, the driving tang is broken off by tapping downward with the end of the
inserting tool. If necessary, inserts can be removed, using one of the extracting tools shown on the next page.
DRILL
TAP
INSTALL TANG REMOVAL
COIL-THREAD SPARK PLUG INSERT ASSORTMENT
l The original spark plug port thread repair. l Highest quality and most durable repair available.
l First choice of professional mechanics and engine rebuilders. l Preferred method of repair by virtually all vehicle manufacturers.
14mm SPARK PLUG REPAIR KIT Part No. 713215 Master kit includes complete instructions & tools for installation.
*Contains: 6 each 3/8” and 3/4” lengths Packed in a heavy duty storage box.
12-14mm-1.25 Stainless Steel Inserts* 1- Pilot Tap 1- Installation tool
Inserts in this kit are designed for use in the repair or modification of spark plug threads.
Numbers in assortment
A17-5 REVISED OCTOBER, 2012
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