Keensert插销螺套是插销螺套中的一个美国知名品牌，是一种内外都有螺纹，外螺纹上有4根或者2根插销键（M6以下）的特异紧固件，其产品主要应用于军工、航天、铁路机车、振动机械等对螺纹强度要求较高的设备及机件上。
Keensert插销螺套最基本的功能就是修复内螺纹和增强外螺纹。Keensert插销螺套作为一种螺纹修复手段，可以对被损螺纹进行快速有效地修复；应用在低强度的材料上，能极大地增强螺纹孔的强度。
一、Keensert插销螺套的优点
1、插销式螺纹护套可牢固地锁紧在母材质上
2、减少安装时的摩擦力
3、抗腐蚀
4、更短的修理时间
二、Keensert插销螺套的分类
1、按Thread Types螺纹型号可分：Metric公制、UNC粗牙、UNF细牙。
2、按Insert Types螺套型号可分：Miniature轻型、Lightweight (Thinwall)薄壁型、Heavy Duty重型、Extra Heavy Duty特重型（Solid），特重型（Extra heavy duty）。
三、Keensert插销螺套的规格参数
Keensert插销螺套公制规格参数表
Lightweight Metric Inserts - Non-Locking
PART NO.
DIMENSIONS
INSTALLATION
REMOVAL
NON- LOCKING
INTERNAL THREAD CLASS 5H
EXTERNAL THREAD
L
± 0.3
A
TAP DRILL
DIAMETER
C'SINK DIAMETER
+.25/-.00
THREAD TAP
INSTALLATION TOOL PART NO.
ALTERNATE INSTALLATION TOOL
DRILL
SIZE CLASS 4H
SHEAR ENGAG.
SIZE CLASS 6H
MIN. DEPTH
SIZE
DEPTH
KNM 5x0.8
M 5x0.8
M 8x1.25
104.9
8.0
-
6.9
8.25
M 8x1.25
9.5
LDSM5
TM-5*
5.50
4.00
KNM 6x1.0
M 6x1.0
M 10x1.25
177.7
10.0
-
8.8
10.25
M 10x1.25
11.5
LDSM6
TM-6*
7.50
4.75
KNM 8x1.25
M 8x1.25
M 12x1.25
266.7
12.0
-
10.8
12.25
M 12x1.25
13.5
LDSM8
TM-8*
9.50
KNM 8x1.0
M 8x1.0
M 12x1.25
266.7
12.0
-
10.8
12.25
M 12x1.25
13.5
LDSM8
TM-8*
9.50
KNM 10x1.5
M 10x1.5
M 14X1.5
341.6
14.0
-
12.8
14.25
M 14X1.5
15.5
LDSM10
TM-10*
11.50
KNM 10x1.25*
M 10x1.25
M 14X1.5
341.6
14.0
-
12.8
14.25
M 14X1.5
15.5
LDSM10
TM-10*
11.50
KNM 12x1.75*
M 12x1.75
M 16X1.5
470.2
16.0
-
14.75
16.25
M 16X1.5
17.5
LDSM12
TM-12*
13.50
KNM 12x1.25*
M 12x1.25
M 16X1.5
470.2
16.0
-
14.75
16.25
M 16X1.5
17.5
LDSM12
TM-12*
13.50
Lightweight Metric Inserts - Locking
KNML 5x0.8
M 5x0.8
M 8x1.25
83.1
8.0
7.6
6.9
8.25
M 8x1.25
9.5
LDSM5
TM-5*
5.50
4.00
KNML 6x1.0
M 6x1.0
M 10x1.25
152.7
10.0
8.2
8.8
10.25
M 10x1.25
11.5
LDSM6
TM-6*
7.50
4.75
KNML 8x1.25
M 8x1.25
M 12x1.25
242.5
12.0
9.5
10.8
12.25
M 12x1.25
13.5
LDSM8
TM-8*
9.50
KNML 8x1.0
M 8x1.0
M 12x1.25
242.5
12.0
9.0
10.8
12.25
M 12x1.25
13.5
LDSM8
TM-8*
9.50
KNML 10x1.5
M 10x1.5
M 14X1.5
316.4
14.0
10.0
12.8
14.25
M 14X1.5
15.5
LDSM10
TM-10*
11.50
KNML 10x1.25*
M 10x1.25
M 14X1.5
316.4
14.0
9.5
12.8
14.25
M 14X1.5
15.5
LDSM10
TM-10*
11.50
KNML 12x1.75
M 12x1.75
M 16X1.5
441.4
16.0
11.20
14.75
16.25
M 16X1.5
17.5
LDSM12
TM-12*
13.50
KNML 12x1.25*
M 12x1.25
M 16X1.5
441.4
16.0
10.20
14.75
16.25
M 16X1.5
17.5
LDSM12
TM-12*
13.50
Heavy Duty Metric Inserts - Non-Locking
PART NO.
DIMENSIONS
INSTALLATION
REMOVAL
NON- LOCKING
INTERNAL THREAD CLASS 5H
EXTERNAL THREAD
L
± 0.3
A
TAP DRILL DIAM- ETER
C'SINK DIAMETER
+.25/-.00
THREAD TAP
INSTALLATION TOOL PART NO.
ALTERNATE INSTALLATION TOOL
DRILL
SIZE CLASS 4H
SHEAR ENGAG.
SIZE
CLASS 6H
MIN.
DEPTH
SIZE
DEPTH
KNHM 4x0.7
M 4x0.7
M 8x1.25
104.9
8.0
-
6.9
8.25
M 8x1.25
9.5
HDSM4
THM-4*
5.50
4.00
KNHM 5x0.8
M 5x0.8
M 10x1.25
177.7
10.0
-
8.8
10.25
M 10x1.25
12.5
HDSM5
THM-5*
7.50
4.75
KNHM 6x1.0
M 6x1.0
M 12x1.25
266.7
12.0
-
10.8
12.25
M 12x1.25
14.5
HDSM6
THM-6*
9.50
KNHM 8x1.25
M 8x1.25
M 14X1.5
341.6
14.0
-
12.8
14.25
M 14X1.5
16.5
HDSM8
THM-8*
11.50
KNHM 8x1.0
M 8x1.0
M 14X1.5
341.6
14.0
-
12.8
14.25
M 14X1.5
16.5
HDSM8
THM-8*
11.50
KNHM 10x1.5
M 10x1.5
M 16X1.5
470.2
16.0
-
14.75
16.25
M 16X1.5
18.5
HDSM10
THM-10*
13.50
KNHM 10x1.25*
M 10x1.25
M 16x1.5
470.2
16.0
-
14.75
16.25
M 16x1.5
18.5
HDSM10
THM-10*
13.50
KNHM 12x1.75
M 12x1.75
M 18X1.5
608.5
18.0
-
16.75
18.25
M 18X1.5
20.5
HDSM12
THM-12*
15.50
KNHM 12x1.5*
M 12x1.5
M 18x1.5
608.5
18.0
-
16.75
18.25
M 18x1.5
20.5
HDSM12
THM-12*
15.50
KNHM 12x1.25*
M 12x1.25
M 18x1.5
608.5
18.0
-
16.75
18.25
M 18x1.5
20.5
HDSM12
THM-12*
15.50
KNHM 14x2.0*
M 14x2.0
M 20x1.5
770.5
20.0
-
18.75
20.25
M 20x1.5
22.5
HDSM14
THM-14*
17.50
KNHM 14x1.5*
M 14x1.5
M 20x1.5
770.5
20.0
-
18.75
20.25
M 20x1.5
22.5
HDSM14
THM-14*
17.50
KNHM16x2.0
M 16x2.0
M 22x1.5
896.8
22.0
-
20.50
22.25
M 22x1.5
24.5
HDSM16
THM-16*
17.75
6.35
KNHM 16x1.5*
M 16x1.5
M 22x1.5
896.8
22.0
-
20.50
22.25
M 22x1.5
24.5
HDSM16
THM-16*
17.75
KNHM 18x1.5*
M 18x1.5
M 24x1.5
1084.4
24.0
-
22.50
24.25
M 24x1.5
26.5
HDSM18
THM-18*
19.75
KNHM 20x2.5*
M 20x2.5
M 30x2.0
1774.3
30.0
-
28.00
30.25
M 30x2.0
34.5
HDSM20
THM-20*
25.75
KNHM 20x1.5*
M 20x1.5
M 30x2.0
1774.3
30.0
-
28.00
30.25
M 30x2.0
34.5
HDSM20
THM-20*
25.75
KNHM 22x1.5*
M 22x1.5
M 32x2.0
2045.9
32.0
-
30.00
32.25
M 32x2.0
36.5
HDSM22
THM-22*
27.75
KNHM 24x3.0*
M 24x3.0
M 33x2.0
2189.4
33.0
-
31.00
33.25
M 33x2.0
37.5
HDSM24
THM-24*
28.75
KNHM 24x2.0*
M 24x2.0
M 33x2.0
2189.4
33.0
-
31.00
33.25
M 33x2.0
37.5
HDSM24
THM-24*
28.75
Heavy Duty Metric Inserts - Locking
KNHML 4x0.7*
M 4x0.7
M 8x1.25
83.1
8.0
8.0
6.9
8.25
M 8x1.25
9.5
HDSM4
THM-4*
5.50
4.00
KNHML 5x0.8*
M 5x0.8
M 10x1.25
152.7
10.0
8.7
8.8
10.25
M 10x1.25
12.5
HDSM5
THM-5*
7.50
4.75
KNHML 6x1.0
M 6x1.0
M 12x1.25
242.5
12.0
9.5
10.8
12.25
M 12x1.25
14.5
HDSM6
THM-6*
9.50
KNHML 8x1.25
M 8x1.25
M 14X1.5
316.4
14.0
10.0
12.8
14.25
M 14X1.5
16.5
HDSM8
THM-8*
11.50
KNHML 8x1.0*
M 8x1.0
M 14X1.5
316.4
14.0
10.0
12.8
14.25
M 14X1.5
16.5
HDSM8
THM-8*
11.50
KNHML 10x1.5
M 10x1.5
M 16X1.5
441.4
16.0
10.0
14.75
16.25
M 16X1.5
18.5
HDSM10
THM-10*
13.50
KNHML 10x1.25*
M 10x1.25
M 16x1.5
441.1
16.0
10.0
14.75
16.25
M 16x1.5
18.5
HDSM10
THM-10*
13.50
KNHML 12x1.75
M 12x1.75
M 18X1.5
561.8
18.0
10.7
16.75
18.25
M 18X1.5
20.5
HDSM12
THM-12*
15.50
KNHML 12x1.5*
M 12x1.5
M 18x1.5
561.8
18.0
10.7
16.75
18.25
M 18x1.5
20.5
HDSM12
THM-12*
15.50
KNHML
12x1.25*
M 12x1.25
M 18x1.5
561.8
18.0
10.7
16.75
18.25
M 18x1.5
20.5
HDSM12
THM-12*
15.50
KNHML 14x2.0*
M 14x2.0
M 20x1.5
724.4
20.0
12.4
18.75
20.25
M 20x1.5
22.5
HDSM14
THM-14*
17.50
KNHML 14x1.5*
M 14x1.5
M 20x1.5
724.4
20.0
12.4
18.75
20.25
M 20x1.5
22.5
HDSM14
THM-14*
17.50
KNHML 16x2.0*
M 16x2.0
M 22x1.5
855.2
22.0
12.4
20.50
22.25
M 22x1.5
24.5
HDSM16
THM-16*
17.75
6.35
KNHML 16x1.5*
M 16x1.5
M 22x1.5
855.2
22.0
12.4
20.50
22.25
M 22x1.5
24.5
HDSM16
THM-16*
17.75
KNHML 18x1.5*
M 18x1.5
M 24x1.5
1051.5
24.0
16.8
22.50
24.25
M 24x1.5
26.5
HDSM18
THM-18*
19.75
KNHML 20x2.5*
M 20x2.5
M 30x2.0
1736.4
30.0
17.5
28.00
30.25
M 30x2.0
34.5
HDSM20
THM-20*
25.75
KNHML 20x1.5*
M 20x1.5
M 30x2.0
1736.4
30.0
17.5
28.00
30.25
M 30x2.0
34.5
HDSM20
THM-20*
25.75
KNHML 22x1.5*
M 22x1.5
M 32x2.0
2014.7
32.0
18.3
30.00
32.25
M 32x2.0
36.5
HDSM22
THM-22*
27.75
KNHML 24x3.0*
M 24x3.0
M 33x2.0
2161.9
33.0
19.0
31.00
33.25
M 33x2.0
37.5
HDSM24
THM-24*
28.75
KNHML 24x2.0*
M 24x2.0
M 33x2.0
2161.9
33.0
19.0
31.00
33.25
M 33x2.0
37.5
HDSM24
THM-24*
28.75