139M5
Insert Design Part No.: 139M5 Thread Size: M5 Pitch (internal): 0.80 Pitch (external) P: 1.41 Diameter (external) B: 7.50 Length L: 6.40 Hole Design Hole Diameter C: 6.9-7.2 Hole Depth Y: 7.1 Boss Diameter X: 12.6 Wall Thickness W: 2.70
136M5
Insert Design Part No.: 136M5 Thread Size: M5 Pitch (internal): 0.80 Pitch (external) P: 1.41 Diameter (external) B: 7.50 Length L: 8.40 Hole Design Hole Diameter C: 6.9-7.2 Hole Depth Y: 9.3 Boss Diameter X: 12.6 Wall Thickness W: 2.70
145M5
Insert Design Part No.: 145M5 Thread Size: M5 Pitch (internal): 0.80 Pitch (external) P: 1.41 Diameter (external) B: 7.50 Length L: 6.40 Hole Design Hole Diameter C: 6.9-7.2 Hole Depth Y: 7.1 Boss Diameter X: 12.6 Wall Thickness W: 2.70
137M4
Insert Design Part No.: 137M4 Thread Size: M4 Pitch (internal): 0.70 Pitch (external) P: 1.27 Diameter (external) B: 6.31 Length L: 8.40 Hole Design Hole Diameter C: 5.8-6.1 Hole Depth Y: 9.3 Boss Diameter X: 10.7 Wall Thickness W: 2.30
170M4
Insert Design Part No.: 170M4 Thread Size: M4 Pitch (internal): 0.70 Pitch (external) P: 1.27 Diameter (external) B: 6.31 Length L: 8.40 Hole Design Hole Diameter C: 5.8-6.1 Hole Depth Y: 9.3 Boss Diameter X: 10.7 Wall Thickness W: 2.30
139M4
Insert Design Part No.: 139M4 Thread Size: M4 Pitch (internal): 0.70 Pitch (external) P: 1.27 Diameter (external) B: 6.31 Length L: 5.60 Hole Design Hole Diameter C: 5.8-6.1 Hole Depth Y: 6.2 Boss Diameter X: 10.7 Wall Thickness W: 2.30
138M4
Insert Design Part No.: 138M4 Thread Size: M4 Pitch (internal): 0.70 Pitch (external) P: 1.27 Diameter (external) B: 6.31 Length L: 7.10 Hole Design Hole Diameter C: 5.8-6.1 Hole Depth Y: 7.9 Boss Diameter X: 10.7 Wall Thickness W: 2.30
136M4
Insert Design Part No.: 136M4 Thread Size: M4 Pitch (internal): 0.70 Pitch (external) P: 1.27 Diameter (external) B: 6.31 Length L: 7.10 Hole Design Hole Diameter C: 5.8-6.1 Hole Depth Y: 7.9 Boss Diameter X: 10.7 Wall Thickness W: 2.30
170M3.5
Insert Design Part No.: 170M3.5 Thread Size: M3.5 Pitch (internal): 0.60 Pitch (external) P: 1.15 Diameter (external) B: 5.22 Length L: 7.30 Hole Design Hole Diameter C: 5.0-5.3 Hole Depth Y: 8.1 Boss Diameter X: 9.3 Wall Thickness W: 2.00
145M4
Insert Design Part No.: 145M4 Thread Size: M4 Pitch (internal): 0.70 Pitch (external) P: 1.27 Diameter (external) B: 6.31 Length L: 5.60 Hole Design Hole Diameter C: 5.8-6.1 Hole Depth Y: 6.2 Boss Diameter X: 10.7 Wall Thickness W: 2.30
138M3.5
Insert Design Part No.: 138M3.5 Thread Size: M3.5 Pitch (internal): 0.60 Pitch (external) P: 1.15 Diameter (external) B: 5.52 Length L: 6.20 Hole Design Hole Diameter C: 5.0-5.3 Hole Depth Y: 6.9 Boss Diameter X: 9.3 Wall Thickness W: 2.00
137M3.5
Insert Design Part No.: 137M3.5 Thread Size: M3.5 Pitch (internal): 0.60 Pitch (external) P: 1.15 Diameter (external) B: 5.22 Length L: 7.30 Hole Design Hole Diameter C: 5.0-5.3 Hole Depth Y: 8.1 Boss Diameter X: 9.3 Wall Thickness W: 2.00
145M3.5
Insert Design Part No.: 145M3.5 Thread Size: M3.5 Pitch (internal): 0.60 Pitch (external) P: 1.15 Diameter (external) B: 5.52 Length L: 5.00 Hole Design Hole Diameter C: 5.0-5.3 Hole Depth Y: 5.5 Boss Diameter X: 9.3 Wall Thickness W: 2.00
139M3.5
Insert Design Part No.: 139M3.5 Thread Size: M3.5 Pitch (internal): 0.60 Pitch (external) P: 1.15 Diameter (external) B: 5.52 Length L: 5.00 Hole Design Hole Diameter C: 5.0-5.3 Hole Depth Y: 5.5 Boss Diameter X: 9.3 Wall Thickness W: 2.00
136M3.5
Insert Design Part No.: 136M3.5 Thread Size: M3.5 Pitch (internal): 0.60 Pitch (external) P: 1.15 Diameter (external) B: 5.52 Length L: 6.20 Hole Design Hole Diameter C: 5.0-5.3 Hole Depth Y: 6.9 Boss Diameter X: 9.3 Wall Thickness W: 2.00
137M3
Insert Design Part No.: 137M3 Thread Size: M3 Pitch (internal): 0.50 Pitch (external) P: 1.06 Diameter (external) B: 4.73 Length L: 6.25 Hole Design Hole Diameter C: 4.1-4.4 Hole Depth Y: 6.9 Boss Diameter X: 7.7 Wall Thickness W: 1.65
© 2026 Tappex Thread Inserts Ltd. All Rights Reserved. Registered in England & Wales. Registered office: Masons Road, Stratford-upon-Avon, Warwickshire, CV37 9NT, UK T: +44 (0) 1789 206600 E: [email protected] Company No: 00575166. Website by eby Design ltd