Description

YSF Standard Locknut. The YSF Series locknuts employ 30º, 3 point locking. The outstanding design of the brass threads are perfectly matched and prevent any loosening whatsoever. 30º design locking screws also reduce torque on this product.

• Material Composition： SCM440(42CrMo4)
• Hardness： HRC28° ~32°
• Thread Precision： ISO 4H
• Manufacturing Method： High Precision Grinding
• Run Out M14~200： 0.002mm
• Manufacturing Method： High Precision Turning
• Run Out M14~200： 0.005mm
• Run Out M210~300： 0.007mm

Thread D h d n-txg m MAX Nm YSF M14x1.5 30 14 25 3-4×2 M5 4.5 YSF M15x1 YSF M16x1.5 YSF M17x1 32 16 27 YSF M18x1.5 YSF M20x1 38 33 M6 YSF M20x1.5 8.0 YSF M22x1.5 YSF M24x1.5 18 3-5×2 YSF M25x1.5 YSF M27x1.5 40 35 YSF M30x1.5 45 40 YSF M33x1.5 50 45 YSF M35x1.5 52 47 M8 18.0 YSF M36x1.5 YSF M39x1.5 58 20 52 3-6×2.5 YSF M40x1.5 YSF M42x1.5 62 56 YSF M45x1.5 65 59 YSF M48x1.5 70 64 YSF M50x1.5 YSF M52x1.5 73 22 66 3-7×3 YSF M55x1.5 75 68 YSF M55x2 YSF M56x2 YSF M60x2 80 73 YSF M64x2 85 78 YSF M65x2 YSF M68x2 92 24 84 3-8×3.5 YSF M70x2 YSF M72x2 94 86 YSF M75x2 98 90 YSF M76x2 YSF M80x2 105 96 3-8×3.5 YSF M85x2 110 102 6-8×3.5 YSF M90x2 120 26 108 6-10×4 YSF M95x2 125 113 YSF M100x2 130 26 118 6-10×4 M8 18.0 YSF M105x2 140 28 125 M10 35.0 YSF M110x2 145 132 YSF M115x2 150 137 YSF M120x2 155 30 142 6-12×5 YSF M125x2 160 147 YSF M130x2 165 152 YSF M135x2 175 32 160 YSF M140x2 180 165 YSF M145x2 190 175 YSF M150x2 195 180 YSF M155x3 200 34 180 6-14×6 YSF M160x3 210 190 YSF M165x3 210 190 YSF M170x3 220 200 YSF M180x3 230 36 205 6-16×7 M12 60.0 YSF M190x3 240 215 YSF M200x3 250 38 225 YSF M210x3 260 38 245 YSF M220x3 270 38 255 YSF M230x3 280 40 258 6-16×9 YSF M240x3 290 40 268 YSF M250x3 300 40 278 YSF M260x4 310 40 288 6-20×10 M14 100.0 YSF M270x4 320 40 298 YSF M280x4 330 40 308 YSF M290x4 340 42 315 6-22×11 YSF M300x4 350 42 325