Kee-n-SertTM Metric Sizes Tap & Drill Size Tables
NOTE: Kee-n-SertTM Brand inserts are generally supplied as Industrial Spec. grade but can be supplied in Milspec. grade and with Certificates of Conformity on special order. Internally Locking Keyserts are also available on special order.
CAUTION
External threads on some **Keenserts and trunctated i.e. the bottom of the external thread “V” is flattened off. For this reason ALWAYS use “Keensert’s specified tapping drill size and DO NOT use standard trapping drill sizes”
Thinwall Metric Internal with Metric External
| PART NUMBER | INSERT | ||||
| Carbon Steel | Stainless Steel | Internal Thread 6h | External Thread(mod.) class 6g | Length | Drill Size |
| KE050808 | KE050808SS | M5 x 0.8 | M8 x 1.25 | 8.0 | 6.9mm |
| KE060110 | KE060110SS | M6 x 1.0 | M10 x 1.25 | 10.0 | 8.8mm |
| KE0812512 | KE0812512SS | M8 x 1.25 | M12 x 1.25 | 12.0 | 10.8mm |
| KE081012 | KE081012SS | M8 x 1.0 | |||
| KE101514 | KE101514SS | M10 x 1.5 | M14 x 1.5 | 14.0 | 12.8mm |
| KE1012514 | KE1012514SS | M10 x 1.25 | |||
| KE1217516 | KE1217516SS | M12 x 1.75 | M16 x 1.5 | 16.0 | 14.75mm |
| KE1212516 | KE1212516SS | M12 x 1.25 | |||
| Miniature Metric Sizes | |||||
| KE020404 | KE020404SS | M2 x 0.4 | M4 x 0.7 | 3mm | 3.3mm |
| KE02545 | KE02545SS | M2.5 x 0.45 | M4.5 x 0.75 | 3.8mm | 3.7mm |
| KE030505 | KE030505SS | M3 x 0.5 | M5 x 0.8 | 4.2mm | 4.2mm |
Heavy Wall Metric Internal with Metric External
| PART NUMBER | INSERT | ||||
| Carbon Steel | Stainless Steel | Internal Thread Class 6h | External Thread Class 6g | Length | Drill Size |
| KE040708HD | KE040708HDSS | M4 x 0.7 | M8 x 1.25 | 8.0 | 6.9mm |
| KE050810HD | KE050810HDSS | M5 x 0.8 | M10 x 1.25 | 10.0 | 8.8mm |
| KE060112HD | KE060112HDSS | M6 x 1.0 | M12 x 1.25 | 12.0 | 10.8mm |
| KE081250HD | KE081250HDSS | M8 x 1.25 | M14 x 1.5 | 14.0 | 12.8mm |
| KE081000HD | KE081000HDSS | M8 x 1.0 | |||
| KE101500HD | KE101500HDSS | M10x 1.5 | M16 x 1.5 | 16.0 | 14.75mm |
| KE101250HD | KE101250HDSS | M10 x 1.25 | |||
| KE121750HD | KE121750HDSS | M12 x 1.75 | M18 x 1.5 | 18.0 | 16.75mm |
| KE121250HD | KE121250HDSS | M12 x 1.25 | |||
| KE142000HD | KE142000HDSS | M14 x 2.0 | M20 x 1.5 | 20.0 | 18.75mm |
| KE141500HD | KE141500HDSS | M14 x 1-5 | |||
| KE162000HD | KE162000HDSS | M16 x 2.0 | M22 x 1.5 | 22.0 | 20.5mm |
| KE161500HD | KE161500HDSS | M16 x 1.5 | |||
| KE181500HD | KE181500HDSS | M18 x 1.5 | M24 x 1.5 | 24.0 | 22.5mm |
| KE202500HD | KE202500HDSS | M20 x 2.5 | M30 x 2.0 | 30.0 | 28mm |
| KE201500HD | KE201500HDSS | M20 x 1.5 | |||
| KE221500HD | KE221500HDSS | M22 x 1.5 | M32 x 2.0 | 32.0 | 30mm |
| KE243000HD | KE243000HDSS | M24 x 3.0 | M33 x 2.0 | 33.0 | 31mm |
| KE242000HD | KE242000HDSS | M24 x 2.0 |
Kee-n-SertTM Inch Sizes Tap & Drill Size Tables
Thinwall Inch Internal with Inch External
| PART NUMBER | INSERT | ||||
| Carbon Steel | Stainless Steel | Internal Thread Class 2B | External Thread(mod.) Class 2A | Length | Drill Size |
| KETH102400 | KETH102400SS | 10-24 | 5/16 | .31 | Letter I-0.272" |
| KETH103200 | KETH103200SS | 10-32 | |||
| KETH142000 | KETH142000SS | 1/4-20 | 3/8-16 | .37 | Letter Q-0.332" |
| KETH142800 | KETH142800SS | 1/4-28 | |||
| KETH516180 | KETH516180SS | 5/16-18 | 7/16-14 | .43 | Letter X-0.397" |
| KETH516240 | KETH516240SS | 5/16-24 | |||
| KETH381600 | KETH381600SS | 3/8-16 | 1/2-13 | .50 | 29/64" |
| KETH382400 | KETH382400SS | 3/8-24 | |||
| KETH716140 | KETH716140SS | 7/16-14 | 9/16-12 | .56 | 33/64" |
| KETH716200 | KETH716200SS | 7/16-20 | |||
| KETH121300 | KETH121300SS | 1/2-13 | 5/8-11 | .62 | 37/64' |
| KETH122000 | KETH122000SS | 1/2-20 |
Heavy Wall Inch Internal with Inch External
| PART NUMBER | INSERT | ||||
| Carbon Steel | Stainless Steel | Internal Thread Class 2B | External Thread(Mod.) class 2A | Length | Drill Size |
| KEHD083200 | KEHD0832SS | 8-32 | 5/16-18 | .31 | Letter I - 0.272" |
| KEHD102400 | KEHD1024SS | 10-24 | 3/8-16 | .31 | Letter Q - 0.332" |
| KEHD103200 | KEHD1032SS | 10-32 | |||
| KEHD142000 | KEHD1420SS | 1/4-20 | 7/16-14 | .37 | Letter X - 0.397" |
| KEHD142800 | KEHD1428SS | 1/4-28 | |||
| KEHD516180 | KEHD51618SS | 5/16-18 | 1/2-13 | .43 | 29/64" |
| KEHD516240 | KEHD51624SS | 5/16-24 | |||
| KEHD381600 | KEHD3816SS | 3/8-16 | 9/16-12 | .50 | 33/64" |
| KEHD382400 | KEHD3824SS | 3/8-24 | |||
| KEHD716140 | KEHD71614SS | 7/16-14 | 5/8-11 | .62 | 37/64" |
| KEHD716200 | KEHD71620SS | 7/16-20 | |||
| KEHD121300 | KEHD1213SS | 1/2-13 | 3/4-16 | .62 | 45/64" |
| KEHD122000 | KEHD1220SS | 1/2-20 | |||
| KEHD916120 | KEHD91612SS | 9/16-12 | 3/4-16 | .81 | 45/64" |
| KEHD916180 | KEHD91618SS | 9/16-18 | |||
| KEHD581100 | KEHD58110SS | 5/8-11 | 7/8-14 | .87 | 53/64" |
| KEHD581800 | KEHD58180SS | 5/8-18 | |||
| KEHD341000 | KEHD34100SS | 3/4-10 | 1-1/8-12 | 1.12 | 1-1/16" |
| KEHD341600 | KEHD34160SS | 3/4-16 | |||
| KEHD780900 | KEHD78090SS | 7/8-9 | 1-1/4-12 | 1.25 | 1-3/16" |
| KEHD781400 | KEHD78140SS | 7/8-14 | |||
| KEHD100800 | KEHD10080SS | 1"-8 | 1-3/8-12 | 1.37 | 1-5/16" |
| KEHD101200 | KEHD10120SS | 1"-12 | |||
| KEHD101400 | -------- | 1"14 | |||
| KEHD118070 | -------- | 1-1/8-7 | 1-1/2-12 | 1.62 | 1-13/32" |
| KEHD118120 | -------- | 1-1/8-12 | |||
| KEHD114070 | -------- | 1-1/4-7 | 1-5/8-12 | 1.81 | 1-9/16" |
| KEHD114120 | -------- | 1-1/4-12 | |||
| KEHD112060 | -------- | 1-1/2-6 | 1-7/8-12 | 2.00 | 1-13/16" |
| KEHD112120 | -------- | 1-1/2-12 |
EXTRA HEAVY WALL INCH INTERNAL WITH INCH EXTERNAL
| PART NUMBER | INSERT | ||||
| Carbon Steel | Stainless Steel | Internal Thread Class 2B | External Thread(Mod.) class 2A | Length | Drill Size |
| KEXHD063200 | KEXHD0632SS | 6-32 | 5/16-18 | .31 | Letter I - 0.272" |
| KEXHD083200 | KEXHD0832SS | 8-32 | 3/8-16 | .31 | Letter Q - 0.332" |
| KEXHD102400 | KEXHD1024SS | 10-24 | 716-14 | .31 | Letter X - 0.397" |
| KEXHD103200 | KEXHD1032SS | 10-32 | |||
| KEXHD142000 | KEXHD1420SS | 1/4-20 | 1/2-13 | .37 | 29/64" |
| KEXHD142800 | KEXHD1428SS | 1/4-28 | |||
| KEXHD516180 | KEXHD51618SS | 5/16-18 | 9/16-12 | .43 | 33/64" |
| KEXHD516240 | KEXHD51624SS | 5/16-24 | |||
| KEXHD381600 | KEXHD3816SS | 3/8-16 | 5/8-11 | .50 | 37/64" |
| KEXHD382400 | KEXHD3824SS | 3/8-24 | |||
| KEXHD716140 | KEXHD71614SS | 7/16-14 | 3/4-16 | .62 | 45/64" |
| KEXHD716200 | KEXHD71620SS | 7/16-20 | |||
| KEXHD121300 | KEXHD1213SS | 1/2-13 | 7/8-14 | .68 | 53/64" |
| KEXHD122000 | KEXHD1220SS | 1/2-20 | |||
| KEXHD916120 | KEXHD91612SS | 9/16-12 | 7/8-14 | .81 | 53/64" |
| KEXHD916180 | KEXHD91618SS | 9/16-18 | |||
| KEXHD581100 | KEXHD58110SS | 5/8-11 | 1"-12 | .87 | 59/64" |
| KEXHD581800 | KEXHD58180SS | 5/8-18 | |||
| KEXHD341000 | KEXHD34100SS | 3/4-10 | 1-1/4-12 | 1.12 | 1-3/16" |
| KEXHD341600 | KEXHD34160SS | 3/4-16 | |||
| KEXHD780900 | KEXHD78090SS | 7/8-9 | 1-3/8-12 | 1.25 | 1-5/16" |
| KEXHD781400 | KEXHD78140SS | 7/8-14 | |||
| KEXHD100800 | KEXHD10080SS | 1"-8 | 1-1/2-12 | 1.37 | 1-13/32" |
| KEXHD101200 | KEXHD10120SS | 1"-12 |