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Thread Repair Inserts

Inch size Recoil Helical Thread Insert Repair Kits

RECOIL stainless steel helical inserts repair damaged threaded holes.
Can be used on cast iron, steel, copper, wood, zinc, magnesium and most plastics.
Single size repair kit includes instructions, a tap (STI), inserting tool, and a supply of inserts.
Some sizes will be supplied with new-style inserting tool and drill bit.
Drill bits are otherwise not included.

Please call for sizes not listed here and quotes on bulk quantities of inserts, at a substantial discount.

Follow this link to see STI Taps for use with Recoil helical inserts.
Quantity Price Model Description Size Insert Length Drill Size Required Inserts per Kit

$35.10 REST-4-40
#4-40 Recoil Thread Repair Kit 4-40 .168" #31 15

$35.10 REST-5-40
#5-40 Recoil Thread Repair Kit 5-40 0.188 #29 15

$31.40 REST-6-32
#6-32 Recoil Thread Repair Kit 6-32 0.207 #25 15

$31.70 REST-8-32
#8-32 Recoil Thread Repair Kit 8-32 0.246 11/64" 15

$33.30 REST-10-24
#10-24 Recoil Thread Repair Kit 10-24 0.285 13/64 15

$36.70 REST-10-32
#10-32 Recoil Thread Repair Kit 10-32 0.285 13/64 15

$33.50 REST-12-24
#12-24 Recoil Thread Repair Kit 12-24 0.324 15/64 15

$34.00 REST-1/4-20
1/4"-20 Recoil Thread Repair Kit 1/4"-20 0.375 17/64 15

$37.10 REST-1/4-28
1/4"-28 Recoil Thread Repair Kit 1/4-28 0.375 17/64 15

$36.30 REST-5/16-18
5/16"-18 Recoil Thread Repair Kit 5/16-18 0.469 21/64 15

$38.10 REST-5/16-24
5/16"-24 Recoil Thread Repair Kit 5/16-24 0.469 21/64 15

$39.80 REST-3/8-16
3/8"-16 Recoil Thread Repair Kit 3/8-16 0.562 25/64 15

$42.00 REST-3/8-24
3/8"-24 Recoil Thread Repair Kit 3/8-24 0.562 25/64 15

$41.60 REST-7/16-14
7/16"-14 Recoil Thread Repair Kit 7/16-14 0.656 29/64 5

$43.80 REST-7/16-20
7/16"-20 Recoil Thread Repair Kit 7/16-20 0.656 29/64 5

$49.40 REST-1/2-13
1/2"-13 Recoil Thread Repair Kit 1/2-13 0.75 17/32 10

$51.60 REST-1/2-20
1/2"-20 Recoil Thread Repair Kit 1/2-20 0.75 33/64 10

$71.50 REST-5/8-11
5/8"-11 Recoil Thread Repair Kit 5/8-11 0.938 21/32 6

$75.50 REST-5/8-18
5/8"-18 Recoil Thread Repair Kit 5/8-18 0.938 41/64 6

$87.10 REST-3/4-10
3/4"-10 Recoil Thread Repair Kit 3/4-10 1.125 25/32 6

$88.30 REST-3/4-16
3/4"-16 Recoil Thread Repair Kit 3/4-16 1.125 49/64 6

$142.20 REST-7/8-9
7/8"-9 Recoil Thread Repair Kit 7/8-9 1.312 29/32 6

$178.90 REST-1-8
1"-8 Recoil Thread Repair Kit 1-8 1.5 1 1/32 6

Inch size Recoil Helical Thread Insert Packs

Inch Sizes. RECOIL stainless steel inserts repair damaged threaded holes.
Can be used on cast iron, steel, copper, wood, zinc, magnesium and most plastics.
Insert packs contain standard length inserts - 1.5 times the diameter.
Please call for other lengths, sizes not listed here and quotes on bulk quantities of Inserts, at a substantial discount.

Follow this link to see STI Taps for use with Recoil helical inserts.
Quantity Price Model Description Size Insert Length Drill Size Required Inserts per Pack

$4.30 REIN-4-40
#4-40 Recoil Insert Pack of 10 4-40 .168" #31 10

$4.30 REIN-5-40
#5-40 Recoil Insert Pack of 10 5-40 0.188 #29 10

$4.30 REIN-6-32
#6-32 Recoil Insert Pack of 10 6-32 0.207 #25 10

$4.30 REIN-8-32
#8-32 Recoil Insert Pack of 10 8-32 0.246 11/64" 10

$4.30 REIN-10-24
#10-24 Recoil Insert Pack of 10 10-24 0.285 13/64 10

$4.30 REIN-10-32
#10-32 Recoil Insert Pack of 10 10-32 0.285 13/64 10

$5.70 REIN-12-24
#12-24 Recoil Insert Pack of 10 12-24 0.324 15/64 10

$4.30 REIN-1/4-20
1/4"-20 Recoil Insert Pack of 10 1/4"-20 0.375 17/64 10

$4.30 REIN-1/4-28
1/4"-28 Recoil Insert Pack of 10 1/4-28 0.375 17/64 10

$5.65 REIN-5/16-18
5/16"-18 Recoil Insert Pack of 10 5/16-18 0.469 21/64 10

$5.65 REIN-5/16-24
5/16"-24 Recoil Insert Pack of 10 5/16-24 0.469 21/64 10

$6.70 REIN-3/8-16
3/8"-16 Recoil Insert Pack of 10 3/8-16 0.562 25/64 10

$6.70 REIN-3/8-24
3/8"-24 Recoil Insert Pack of 10 3/8-24 0.562 25/64 10

$7.40 REIN-7/16-14
7/16"-14 Recoil Insert Pack of 10 7/16-14 0.656 29/64 10

$7.40 REIN-7/16-20
7/16"-20 Recoil Insert Pack of 10 7/16-20 0.656 29/64 10

$10.90 REIN-1/2-13
1/2"-13 Recoil Insert Pack of 10 1/2-13 0.75 17/32 10

$10.90 REIN-1/2-20
1/2"-20 Recoil Insert Pack of 10 1/2-20 0.75 33/64 10

$13.00 REIN-5/8-11
5/8"-11 Recoil Insert Pack of 5 5/8-11 0.938 21/32 5

$13.00 REIN-5/8-18
5/8"-18 Recoil Insert Pack of 5 5/8-18 0.938 41/64 5

$18.90 REIN-3/4-10
3/4"-10 Recoil Insert Pack of 5 3/4-10 1.125 25/32 5

$18.90 REIN-3/4-16
3/4"-16 Recoil Insert Pack of 5 3/4-16 1.125 49/64 5

$19.80 REIN-7/8-9
7/8"-9 Recoil Insert Pack of 3 7/8-9 1.312 29/32 3

$19.80 REIN-1-8
1"-8 Recoil Insert Pack of 3 1-8 1.5 1 1/32 3

Metric Recoil Helical Thread Insert Repair Kits

Metric Sizes.
RECOIL stainless steel inserts repair damaged threaded holes.
Can be used on cast iron, steel, copper, wood, zinc, magnesium and most plastics.
Some sizes will be supplied with new-style inserting tool and drill bit.
Drill bits are otherwise not included.

Sparkplug size kits (12mm x 1.25 and 14mm x 1.25 include a pilotnose tap and require no drilling.
These sparkplug kits include a mix of 2 lengths of insert, not just the standard length.
Drills are not included.
Please call for sizes not listed here and quotes on bulk quantities of inserts, at a substantial discount.

Starred sizes (for which no drill size is listed) are *FOR SPARK PLUGS. These kits include pilotnose taps, no drilling is required.

Follow this link to see STI Taps for use with Recoil helical inserts.
Quantity Price Model Description Insert Length Drill Size Required Inserts per Kit

$37.40 REST-M4X0.7
4mm x .7 Recoil Thread Repair Kit 6mm 4.2mm 15

$37.00 REST-M5X0.8
5mm x .8 Recoil Thread Repair Kit 7.5mm 5.2mm 15

$37.30 REST-M6X1
6mm x 1 Recoil Thread Repair Kit 9mm 6.3mm 15

$44.30 REST-M8X1
8mm x 1 Recoil Thread Repair Kit 12mm 8.3mm 10

$38.30 REST-M8X1.25
8mm x 1.25 Recoil Thread Repair Kit 12mm 8.3mm 15

$54.60 REST-M10X1
10mm x 1 Recoil Thread Repair Kit 15mm 10.25mm 10

$54.60 REST-M10X1.25
10mm x 1.25 Recoil Thread Repair Kit 15mm 10.3mm 10

$42.20 REST-M10X1.50
10mm x 1.5 Recoil Thread Repair Kit 15mm 10.4mm 10

$73.50 REST-M12X1.25
12mm x 1.25 Recoil Thread Repair Kit-Sparkplug* 1/2, 3/4" none 10

$58.70 REST-M12X1.5
12mm x 1.5 Recoil Thread Repair Kit 18mm 12.3mm 5

$51.90 REST-M12X1.75
12mm x 1.75 Recoil Thread Repair Kit 18mm 12.5mm 5

$95.70 REST-M14X1.25
14mm x 1.25 Recoil Thread Repair Kit-Sparkplug* 3/8, 3/4" none 10

$82.70 REST-M16X2
16mm x 2 Recoil Thread Repair Kit 24mm 16.5mm 5

Metric Recoil Helical Thread Insert Packs

Metric Sizes. RECOIL stainless steel inserts repair damaged threaded holes.
Can be used on cast iron, steel, copper, wood, zinc, magnesium and most plastics.
Insert packs contain standard length inserts - length is 1.5 times the diameter, except for spark plug sizes.
Please call for other lengths, sizes not listed here and quotes on bulk quantities of inserts, at a substantial discount.

Follow this link to see STI Taps for use with Recoil helical inserts.
Quantity Price Model Description Insert Length Drill Size Required Inserts per Pack

$4.30 REIN-M4X0.7
4mm Recoil Insert Pack (10) 6mm 4.2mm 10

$4.30 REIN-M5X0.8
5mm Recoil Insert Pack (10) 7.5mm 5.2mm 10

$4.30 REIN-M6X1
6mm Recoil Insert Pack (10) 9mm 6.3mm 10

$5.65 REIN-M8X1
8mm Recoil Insert Pack (10) 12mm 8.3mm 10

$5.65 REIN-M8X1.25
8mm Recoil Insert Pack (10) 12mm 8.3mm 10

$7.15 REIN-M10X1
10mm Recoil Insert Pack (10) 1/2" 10.25mm 10

$7.15 REIN-M10X1.25
10mm Recoil Insert Pack (10) 15mm 10.3mm 10

$7.15 REIN-M10X1.50
10mm Recoil Insert Pack (10) 15mm 10.4mm 10

$10.90 REIN-M12X1.25
12mm Recoil Insert Pack (10) (18mm long) 3/4" - 10

$10.90 REIN-M12X1.5
12mm Recoil Insert Pack (10) 18mm 12.3mm 10

$10.90 REIN-M12X1.75
12mm Recoil Insert Pack (10) 18mm 12.5mm 10

$12.75 REIN-M14X1.25
14mm Recoil Insert Pack (10) (3/4" long) 3/4" - 10

$13.00 REIN-M16X2
16mm Recoil Insert Pack (5) 24mm 16.5mm 5

Recoil Range Kits

Sets of RECOIL inserts, STI Taps, and insertion tools in a convenient case.
A lifesaver to have on the shelf when threads unexpectedly fail!

Follow this link to see STI Taps for use with Recoil helical inserts.
Quantity Price Model Description Sizes

$196.00 REC-33004
UNC 1/4, 5/16, 3/8, 7/16, 1/2 Recoil Range Kit UNC 1/4, 5/16, 3/8, 7/16, 1/2

$202.00 REC-34004
UNF 1/4, 5/16, 3/8, 7/16, 1/2 Recoil Range Kit UNF 1/4, 5/16, 3/8, 7/16, 1/2

$196.00 REC-35004
Metric 5, 6, 8, 10, 12 Recoil Range Kit Metric 5, 6, 8, 10, 12

$257.00 REC-37000
Metric Fine 8-1, 10-1, 10-1.25, 12-1.25, 12-1.5 Recoil Range Kit Metric Fine 8-1, 10-1, 10-1.25, 12-1.25, 12-1.5

Recoil Insert Extracting Tools

For extracting helical thread inserts.

Follow this link to see STI Taps for use with Recoil helical inserts.
Quantity Price Model Description Range

$18.90 REC-50002
4-40 - 3/8" Recoil Insert Extracting Tool 4-40 - 3/8"

$20.00 REC-50003
6-32 - 1" Recoil Insert Extracting Tool 6-32 - 1"

STI Taps

For helical screw thread inserts, Class 3B.
High speed steel, plug style.
Call for sizes not listed here, including pilotnose taps for spark plug sizes!

As an example: A 1/4-20 STI tap creates the proper thread (a bit larger than 1/4-20) for installing a 1/4-20 Recoil or Helicoil insert, which will accept a 1/4-20 threaded part.

Follow this link to see Recoil Thread Repair Kits and helical inserts.
Quantity Price Model Description Sizes

$7.00 TASTI-4-40
#4-40 HS Plug STI Tap 4-40

$7.00 TASTI-5-40
#5-40 HS Plug STI Tap 5-40

$7.00 TASTI-6-32
#6-32 HS Plug STI Tap 6-32

$7.00 TASTI-8-32
#8-32 HS Plug STI Tap 8-32

$7.70 TASTI-10-24
#10-24 HS Plug STI Tap 10-24

$7.70 TASTI-10-32
#10-32 HS Plug STI Tap 10-32

$7.70 TASTI-12-24
#12-24 HS Plug STI Tap 12-24

$7.70 TASTI-1/4-20
1/4"-20 HS Plug STI Tap 1/4"-20

$7.70 TASTI-1/4-28
1/4"-28 HS Plug STI Tap 1/4"-28

$8.30 TASTI-5/16-18
5/16"-18 HS Plug STI Tap 5/16"-18

$8.30 TASTI-5/16-24
5/16"-24 HS Plug STI Tap 5/16"-24

$10.30 TASTI-3/8-16
3/8"-16 HS Plug STI Tap 3/8"-16

$10.30 TASTI-3/8-24
3/8"-24 HS Plug STI Tap 3/8"-24

$12.80 TASTI-7/16-14
7/16"-14 HS Plug STI Tap 7/16"-14

$12.80 TASTI-7/16-20
7/16"-20 HS Plug STI Tap 7/16"-20

$14.00 TASTI-1/2-13
1/2"-13 HS Plug STI Tap 1/2"-13

$14.00 TASTI-1/2-20
1/2"-20 HS Plug STI Tap 1/2"-20

$28.34 TASTI-5/8-11
5/8"-11 HS Plug STI Tap 5/8"-11

$34.78 TASTI-3/4-10
3/4"-10 HS Plug STI Tap 3/4"-10

$34.78 TASTI-3/4-16
3/4"-16 HS Plug STI Tap 3/4"-16

$43.48 TASTI-7/8-9
7/8"-9 HS Plug STI Tap 7/8"-9

$61.90 TASTI-1-8
1 IN-8 HS Plug STI Tap 1"-8