M12 x 1.75 Self-tapping steel insert with Three Bores is designed for creating robust, high-strength, wear-resistant, and vibration-resistant screw connections in materials with low shear strength. These materials include aluminum and aluminum alloys, brass, bronze, cast iron, duro, and thermoplastics.
These threaded inserts feature a tapered bottom and three cutting bores, allowing them to cut their own threads when inserted into a receiver hole. This ensures a completely secure and stable anchoring in the host material.
The threaded inserts with cutting bores are specifically engineered for materials that are challenging to machine. The thicker wall design enables them to withstand greater cutting forces, which are evenly distributed across the three cutting bores.
| drawing No. |
A Internal thread |
E External thread |
P Pitch |
L Length |
SW Hexagonal socket |
D Minimum borehole depth for blind holes |
| L 307…01 |
M3 |
5 |
0.6 |
4 |
– |
6 |
| L 308…01 |
6 |
8 |
| L 307…02 |
M3.5 |
6 |
0.8 |
5 |
– |
7 |
| L 308…02 |
8 |
10 |
| L 307…03 |
M4 |
6.5 |
0.8 |
6 |
3.2 |
8 |
| L 308…03 |
8 |
10 |
| L 307…04 |
M5 |
8 |
1 |
7 |
4.1 |
9 |
| L 308.. .04 |
10 |
13 |
| L 307…05 |
M6 |
10 |
1.25 |
8 |
4.9 |
10 |
| L 308…05 |
12 |
15 |
| L 307…06 |
M8 |
12 |
1.5 |
9 |
6.6 |
11 |
| L 308…06 |
14 |
17 |
| L 307…07 |
M10 |
14 |
1.5 |
10 |
8.3 |
13 |
| L 308…07 |
18 |
22 |
| L .307..08 |
M12 |
16 |
1.75 |
12 |
10.1 |
15 |
| L 308…08 |
22 |
26 |
| L 307…09 |
M14 |
18 |
2 |
14 |
– |
17 |
| L 308..09 |
24 |
28 |
| L 307…10 |
M16 |
20 |
2 |
14 |
– |
17 |
| L 308…10 |
24 |
28 |
Q: Esne mercaturae societas aut fabrica?
A: Nos sumus in fabrica 20 annis in Shen Zhen,China .
Q: Quousque sit amet tempus partus??
A: Vulgo est 3 dies, si bona in Stock. aut est 7days si bona non sunt in stirpe, secundum quantitatem.
Q: Tu exempla praebere? Numquid gratis vel extra?
A: Ita, exempla possumus providere gratis, sed non shipping fee.
Q: Quid sunt termini solucionis?
A: Payment<= 5000USD, 100% in antecessum. Payment>= 5000USD, 30% T/T in antecessum ,statera iusta prius shippment. Aliis verbis salvete.
Q: Quae sunt verba pretium?
A: EXW/FOB/CIF/CFR/FCA/CPT/CIP etc.
Q: Quod est opus tuum range??
A: Nostrum productum range includit key densis inserta, sui taping filum inserta, filum filum inserta, tailless filum inserta institutionem instrumentum, filum interdum ornamentum, etc. Nos varias qualitates signa stricte deducendi sicut GB, ISO, EX*, ILLE', AISI NFE, BSW, etc., et accipere products non-vexillum.
Q: Quomodo Praestare Partes Industriales Quales?
A: Fuimus in fastener campum super 20 annis cum plena experientia. Et sunt 5 compescit totius processus, Habemus IQC (ineuntes qualis imperium), IPQCS (in processus qualis imperium sectionem), FQC (finalis qualis imperium) et OQC* (e-iens qualis imperium) controlare singulis processus partium industriae productio.
Q: Quare quid tibi placet?? Quae sunt commoda??
A: Fabricantes sumus cum multis annis productionis et administrationis experientiae in agro fasteners. Customers nostros praebere possumus cum solutione bonae solutionis termini productionis design, productio technology, packaging et post-venditio servitium. Lorem satisfactio nostra tantum studium.
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