Alfa Tools General Product Catalog

Solid Screw Inserts

Carbon Steel

ALFA LOK Inserts will not back out or vibrate loose Immediately on installation, micro-encapsulated adhesive begins to set, and the newly installed inserts can be fastened within minutes The adhesive continues to set overnight until completely set The adhesive seals against all liquids and gases to a pressure of 6,000 psi when fully cured and bonds to virtually all metals Easy Removal Use a standard screw and bolt extractor to back out a damaged insert and then replace it with a new insert Removal is simply a matter of overcoming the resistance to torque-out which has been produced by the threadlocking material

COARSE THREAD

INTERNAL THREAD 4-40 6-32 8-32 10-24 1/4-20 5/16-18 3/8-16 7/16-14 1/2-13 9/16-12 5/8-11 5/8-11 3/4-10 7/8-9 10-32 1/4-28 5/16-24 3/8-24 7/16-20 1/2-20 9/16-18 5/8-18 3/4-16 7/8-14 1/4-20 5/16-18 3/8-16 1/2-13 5/8-11 M6-1 0 M8-1 25 M10-1 50 M10-1 25 M12-1 75 M14-2 0 M16-2 0 1-8 1-14

EXTERNAL THREAD 10-32 1/4-20 5/16-18 3/8-16 7/16-14 1/2-13 9/16-12 5/8-11 3/4-10 3/4-10 7/8-9 7/8-9 1-1/4 - 7 1-3/8 - 12 1-8

TAP DRILL

TAP SIZE

MINIMUM FULL THREAD DEPTH

LENGTH

STOCK #

SIZE

250 280 290 406 437 484 515 656 656 656 687 406 437 484 515 656 656 656 687 781 484 515 656 687 781 406 484 515 515 658 687 781 781

5/32

10-32 1/4-20 5/16-18 3/8-16 7/16-14 1/2-13 9/16-12 5/8-11 3/4-10 3/4-10 7/8-9 7/8-9

9/32 11/32 7/16 15/32 1/2 9/16 19/32 23/32 13/16 1-1/4 1-1/8 1-3/8 7/8 15/32 1/2 9/16 19/32 23/32 3/4 3/4

S I 67501 S I 67502 S I 67503 S I 67504 S I 67505 S I 67506 S I 67507 S I 67508 S I 67509 S I 67510 S I 67511 S I 67512 S I 67513 S I 67514 S I 67515 S I 67521 S I 67522 S I 67523 S I 67524 S I 67525 S I 67526 S I 67527 S I 67528 S I 67529 S I 67530 S I 67531 S I 67533 S I 67534 S I 67535 S I 67536 S I 67537

7 F

5/16 23/64 27/64 31/64 17/32 21/32 21/32 49/64 49/64 1-7/64 1-9/32 5/16 23/64 27/64 31/64 17/32 21/32 21/32 49/64 1-7/64 1-9/32 27/64 31/64 17/32 49/46 5/16 27/64 31/64 31/64 21/32 49/64 7/8 7/8 7/8

1. Drill with standard drill

1 125

1-8

1 125 1 250

1-1/4 - 7 1-3/8 - 12

FINE THREAD

3/8-16 7/16-14 1/2-13 9/16-12 5/8-11 3/4-10 3/4-10 7/8-9

3/8-16 7/16-14 1/2-13 9/16-12 5/8-11 3/4-10 3/4-10 7/8-9

Solid Screw Inserts

B

3/4 3/4

13/16

1-8

1-8

7/8

2. Tap hole with standard tap

1-1/4 - 7 1-3/8 - 12

1 125 1 250

1-1/4 - 7 1-3/8 - 12

1-1/8 1-3/8

EXTRA HEAVY WALL

1/2-13 9/16-12 5/8-11 7/8-9

1/2-13 9/16-12 5/8-11 7/8-9

9/16 19/32 23/32 13/16

1-8

1-8

7/8

METRIC INSIDE – N. C. OUTSIDE

3/8-16 1/2-13 9/16-12 9/16-12 3/4-10 7/8-9

3/8-16 1/2-13 9/16-12 9/16-12 3/4-10 7/8-9

15/32 9/16 19/32 19/32

S I M67541 S I M67542 S I M67543 S I M67544 S I M67545 S I M67546 S I M67547

3. Turn ALFA LOK

home flush with bolt

3/4

13/16

1-8

7/8

1-8

7/8

SCREW INSERT KITS

KIT RANGE #10 - 1/2"

CONTENTS

STOCK #

10 10-24 10 1/4-20

10 5/16-18 10 3/8-16

6 1/2-13

S I 67555

UNC

1/2" - 1"

6 1/2 - 13 7 5/8 - 11

7 3/4 - 10

S I 67556

UNC

2 1-8

#10 - 1/2"

10 10-32 10 1/4-28

10 5/16-24 10 3/8-24

6 1/2-20

S I 67557

UNF

1/2" - 1"

6-1/2-20 7-5/8 - 18 10 M6-1 0 10 M8-1 25

7 3/4 - 16 2 1-14 10 M10-1 5 8 M12-1 75

S I 67558

UNF

M8 - M12 METRIC

S I M67559

Prepackaged kits containing a range of sizes are available.

Bulk up to 1/2", 10 per pack 9/16" to 1", 5 per pack

M6 to M12, 10 per pack

Kits 1 per pack

M14 to M16, 5 per pack

B-38

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