7YRS
HSIANG KAI FU CO., LTD.
886-4-23502590
886-4-23503161
No.9, Jingke 6th Rd., Nantun Dist., Taichung City 408, Taiwan
www.nikki.com.twProducts
Precision Turning Locknut
MRN Precision Locknut (Radial Locking)：For light load transmission
MRN 四角螺帽 MRN Series
The setscrews of locknut intersect a 0° angle with axis which drive the locking brass perfectly stuck on the thread of shaft.
‧No thrust washer or keyway needed.
‧Easy to assemble and disassemble.
‧Can be re-used if handled properly.
‧The connecting face and thread area are all produced by high precision turning process.
‧Material：JIS SCM440/
DIN42CrMo4/AISI 4140
‧Hardness：HRC 28-32
‧Precision：ISO 4H
‧Thread Run-out with Axial：
0.005 mm
Specification
NIKKI Product Spec:
| TYPE & Pitch | Dimensions in mm | Set Screw Data | ||||||
| d0_ISO 5H | D | h | d | c | L | 2-M | Max. Torque_Nm | |
| MRN05X0.5P | M5X0.5 | 12.5 | 5 | 8 | 2.3 | 11 | M3 | 0.9 |
| MRN06X0.75P | M6X0.75 | 13.5 | 5 | 9 | 2.3 | 12 | M3 | 0.9 |
| MRN08X1.0P | M8X1 | 16 | 6.5 | 11 | 2.5 | 14 | M3 | 0.9 |
| MRN10X1.0P | M10X1 | 19 | 8 | 13 | 2.5 | 16 | M3 | 0.9 |
| MRN12X1.0P | M12X1 | 22 | 8 | 16 | 2.5 | 19 | M4 | 2.2 |
| MRN15X1.0P | M15X1 | 25 | 8 | 19 | 3.25 | 22 | M4 | 2.2 |
| MRN17X1.0P | M17X1 | 29 | 13 | 21 | 4 | 24 | M4 | 2.2 |
| MRN20X1.0P | M20X1 | 35 | 11 | 27 | 4 | 30 | M4 | 2.2 |
| MRN25X1.5P | M25X1.5 | 43 | 15 | 32 | 5 | 35 | M6 | 8 |
| MRN30X1.5P | M30X1.5 | 48 | 20 | 37 | 6 | 40 | M6 | 8 |
| MRN35X1.5P | M35X1.5 | 60 | 21 | 47 | 7 | 50 | M6 | 8 |
| MRN40X1.5P | M40X1.5 | 62 | 25 | 47 | 7 | 50 | M6 | 8 |
