A heavy duty self-locking key locking insert, often referred to as a self-locking Keensert, is a type of threaded insert that combines the features of a standard Key Locking Insert (commonly known as a Keensert) with a self-locking mechanism. This combination makes it suitable for applications where both strong threads and resistance to vibrational loosening are required.
Mgwooru: Na carbon steel – C1215 ma ọ bụ ihe nhata ; Na igwe anaghị agba nchara – 303 ma ọ bụ ihe ọ bụla
Igodo – 302 Cres ma ọ bụ nha
Imecha: Carbon steel – Zinc phosphate ; Igwe anaghị agba nchara – Pusi ike
Ndidi: Oku.010 inch ma ọ bụ ± .25 mm ọ gwụla ma akọwapụtara ya.

| Nkewa onuogugu | Uzo | |||||
| "Kshm" | Nchikota onwe onye "kshml” | Odiniime eri Ø Tol.- 5H | Keezi eri Ø Tol.- 4h | Eji aka ekpe mm² | L1 Oku 0,3 | L4 | 
| KNHM4X0,7 | M4X0,7 | M8x1.25 | 104,9 | 8 | ||
| KNHML4X0,7 | 83,1 | 8,0 | ||||
| KNHM5X0,8 | M5x0,8 | M10x1,25 | 177,7 | 10 | ||
| KNHML5X0,8 | 152,7 | 8,7 | ||||
| KNHM6X1,0 | M6X1,0 | M12x1,25 | 266,7 | 12 | ||
| KNHML6X1,0 | 242,5 | 9,5 | ||||
| KNHM8X1,25 | M8x1.25 | M14x1,5 | 341,6 | 14 | ||
| KNHML8X1,25 | 316,4 | 10,0 | ||||
| KNHM10X1,5 | M10x1,5 | M16x1,5 | 470,2 | 16 | ||
| KNHML10X1,5 | 441,4 | 10,0 | ||||
| KNHM12X1,75 | M12x1,75 | M18X1,5 | 608,5 | 18 | ||
| KNHML12X1,75 | 561,8 | 10,7 | ||||
| Nkewa onuogugu | Uzo | |||||
| "Kshm" | Nchikota onwe onye "kshml” | Odiniime eri Ø Tol.- 5H | Keezi eri Ø Tol.- 4h | Eji aka ekpe mm² | L1 Oku 0,3 | L4 | 
| KNHM14X2,0 | M14X2,0 | M20X1,5 | 770,5 | 20 | ||
| KNHML14X2,0 | 724,4 | 12,4 | ||||
| KNHM16X2,0 | M16X2,0 | M22X1,5 | 896,8 | 22 | ||
| KNHML16X2,0 | 855,2 | 12,4 | ||||
| KNHM18X1,5 | M18X1,5 | M24X1,5 | 1084,4 | 24 | ||
| KNHML18X1,5 | 1051,5 | 16,8 | ||||
| KNHM20X2,5 | M20X2,5 | M30X2,0 | 1774,3 | 30 | ||
| KNHML20X2,5 | 1736,4 | 17,5 | ||||
| KNHM24X3,0 | M24X3,0 | M33X2,0 | 2189,4 | 33 | ||
| KNHML24X3,0 | 2161,9 | 19,0 | ||||
| Nkewa onuogugu | Echichi uzo | Mweda uzo | |||||
| agbanwezi Isi-Ø * | C'shink-Ø +0,25 | Echichi eri | Aka echichi ngwa oru akụkụ-mba. | Kwuo egwu | |||
| Eri tol.- 6H | Emiriemi L2 mine. | Ø | Emiriemi | ||||
| KNHM4X0,7 | 6,90 +0,100 -0,025 | 8,25 | M8x1.25 | 9,5 | Krtm4-02 / Knt01- HM4X0,7AU | 5,5 | 4,00 | 
| KNHML4X0,7 | |||||||
| KNHM5X0,8 | 8,80 +0,100 -0,025 | 10,25 | M10x1,25 | 12,5 | Krtm5-02 / Knt01- HM5X0,8AU | 7,5 | 4,75 | 
| KNHML5X0,8 | |||||||
| KNHM6X1,0 | 10,80+0,100 -0,025 | 12,25 | M12x1,25 | 14,5 | Krtm6-02 / KNT01-HM6X1,0AU | 9,5 | 4,75 | 
| KNHML6X1,0 | |||||||
| KNHM8X1,25 | 12,80+0,130 -0,025 | 14,25 | M14x1,5 | 16,5 | Krtm8-02 / KNT01-HM8X1,25AU | 11,5 | 4,75 | 
| KNHML8X1,25 | |||||||
| KNHM10X1,5 | 14,75+0,130 -0,025 | 16,25 | M16x1,5 | 18,5 | Krtm10-02 / KNT01-HM10X1,5AU | 13,5 | 4,75 | 
| KNHML10X1,5 | |||||||
| KNHM12X1,75 | 16,75+0,130 -0,025 | 18,25 | M18X1,5 | 20,5 | Krtm12-02 / KNT01-HM12X1,75AU | 15,5 | 4,75 | 
| KNHML12X1,75 | |||||||
| Nkewa onuogugu | Echichi uzo | Mweda uzo | |||||
| agbanwezi Isi-Ø * | C'shink-Ø +0,25 | Echichi eri | Aka echichi ngwa oru akụkụ-mba. | Kwuo egwu | |||
| Eri tol.- 6H | Emiriemi L2 mine. | Ø | Emiriemi | ||||
| KNHM14X2,0 | 18,75+0,130 -0,025 | 20,25 | M20X1,5 | 22,5 | Krtm14-02 / Knt03- HM14X2,0AU | 17,50 | 4,75 | 
| KNHML14X2,0 | |||||||
| KNHM16X2,0 | 20,50+0,130 -0,025 | 22,25 | M22X1,5 | 24,5 | Krtm16-02 / Knt03- HM16X2,0AU | 17,75 | 6,35 | 
| KNHML16X2,0 | |||||||
| KNHM18X1,5 | 22,50+0,130 -0,025 | 24,25 | M24X1,5 | 26,5 | Krtm18-02 / Knt03- HM18X1,5AU | 19,75 | 6,35 | 
| KNHML18X1,5 | |||||||
| KNHM20X2,5 | 28,00+0,130 -0,025 | 30,25 | M30X2,0 | 34,5 | Krtm20-02 / KNT03-HM20X2,5AU | 25,75 | 6,35 | 
| KNHML20X2,5 | |||||||
| KNHM24X3,0 | 31,00+0,130 -0,025 | 33,25 | M33X2,0 | 37,5 | KNT03-HM24X3,0AU | 28,75 | 6,35 | 
| KNHML24X3,0 | |||||||
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