Complete size chart for S45C Steel Single-End Internal Thread Dowel Pin: 159 sizes listed, of which 103 are in stock in Taiwan; the rest are made to order (ask for a quote). The Availability column shows the current status of each row; click a size to open its detail page.
| Items | 159 sizes |
|---|---|
| Diameter | 4 – 30 mm |
| Length | 8 – 160 mm |
| Material | S45C Steel |
| Standards | ISO 8735 · DIN 7979 |
🔍 Pick a size in the interactive catalog (live stock, add to cart)💬 Ask on LINE✉ Email us for a quote
Click any size in the table to open its detail page (unit price, pack size, add to cart). For a full parts list, email sfp@sfp-tw.com or call us; Excel lists are welcome.
| Size | Length | Unit price (ex-tax) | Pack | Availability |
|---|---|---|---|---|
| Diameter ⌀ 4 mm | ||||
| 4*8 (M3 Internal Thread) | 8 mm | US$ 0.22 | 10 pcs/pack | In stock |
| 4*10 (M3 Internal Thread) | 10 mm | US$ 0.22 | 10 pcs/pack | In stock |
| 4*12 (M3 Internal Thread) | 12 mm | US$ 0.25 | 5 pcs/pack | In stock |
| 4*16 (M3 Internal Thread) | 16 mm | US$ 0.25 | 5 pcs/pack | In stock |
| 4*20 (M3 Internal Thread) | 20 mm | US$ 0.25 | 5 pcs/pack | In stock |
| 4*25 (M3 Internal Thread) | 25 mm | US$ 0.28 | 5 pcs/pack | In stock |
| 4*30 (M3 Internal Thread) | 30 mm | US$ 0.28 | 5 pcs/pack | In stock |
| 4*35 (M3 Internal Thread) | 35 mm | US$ 0.40 | 5 pcs/pack | In stock |
| Diameter ⌀ 5 mm | ||||
| 5*8 (M3 Internal Thread) | 8 mm | US$ 0.22 | 10 pcs/pack | In stock |
| 5*10 (M3 Internal Thread) | 10 mm | US$ 0.18 | 10 pcs/pack | In stock |
| 5*12 (M3 Internal Thread) | 12 mm | US$ 0.18 | 10 pcs/pack | In stock |
| 5*16 (M3 Internal Thread) | 16 mm | US$ 0.18 | 10 pcs/pack | In stock |
| 5*20 (M3 Internal Thread) | 20 mm | US$ 0.18 | 10 pcs/pack | In stock |
| 5*25 (M3 Internal Thread) | 25 mm | US$ 0.22 | 10 pcs/pack | In stock |
| 5*30 (M3 Internal Thread) | 30 mm | US$ 0.25 | 5 pcs/pack | In stock |
| 5*35 (M3 Internal Thread) | 35 mm | US$ 0.28 | 5 pcs/pack | In stock |
| 5*40 (M3 Internal Thread) | 40 mm | US$ 0.34 | 5 pcs/pack | In stock |
| 5*45 (M3 Internal Thread) | 45 mm | US$ 0.43 | 5 pcs/pack | In stock |
| 5*50 (M3 Internal Thread) | 50 mm | US$ 0.55 | 5 pcs/pack | In stock |
| 5*55 (M3 Internal Thread) | 55 mm | US$ 0.74 | 2 pcs/pack | In stock |
| Diameter ⌀ 6 mm | ||||
| 6*8 (M4 Internal Thread) | 8 mm | US$ 0.25 | 5 pcs/pack | In stock |
| 6*10 (M4 Internal Thread) | 10 mm | US$ 0.25 | 5 pcs/pack | In stock |
| 6*12 (M4 Internal Thread) | 12 mm | US$ 0.25 | 5 pcs/pack | In stock |
| 6(m6)*16 (M4 Internal Thread) | 16 mm | US$ 1.20 | 2 pcs/pack | In stock |
| 6*16 (M4 Internal Thread) | 16 mm | US$ 0.25 | 5 pcs/pack | In stock |
| 6*20 (M4 Internal Thread) | 20 mm | US$ 0.25 | 5 pcs/pack | In stock |
| 6*25 (M4 Internal Thread) | 25 mm | US$ 0.28 | 5 pcs/pack | In stock |
| 6*30 (M4 Internal Thread) | 30 mm | US$ 0.28 | 5 pcs/pack | In stock |
| 6*35 (M4 Internal Thread) | 35 mm | US$ 0.34 | 5 pcs/pack | In stock |
| 6*40 (M4 Internal Thread) | 40 mm | US$ 0.37 | 5 pcs/pack | In stock |
| 6*45 (M4 Internal Thread) | 45 mm | US$ 0.43 | 5 pcs/pack | In stock |
| 6*50 (M4 Internal Thread) | 50 mm | US$ 0.49 | 5 pcs/pack | In stock |
| 6*55 (M4 Internal Thread) | 55 mm | US$ 0.55 | 5 pcs/pack | In stock |
| 6*60 (M4 Internal Thread) | 60 mm | US$ 0.71 | 2 pcs/pack | In stock |
| 6*70 (M4 Internal Thread) | 70 mm | US$ 0.89 | 2 pcs/pack | In stock |
| Diameter ⌀ 8 mm | ||||
| 8*10 (M5 Internal Thread) | 10 mm | US$ 0.28 | 5 pcs/pack | In stock |
| 8*12 (M5 Internal Thread) | 12 mm | US$ 0.28 | 5 pcs/pack | In stock |
| 8*16 (M5 Internal Thread) | 16 mm | US$ 0.28 | 5 pcs/pack | In stock |
| 8*20 (M5 Internal Thread) | 20 mm | US$ 0.28 | 5 pcs/pack | In stock |
| 8*25 (M5 Internal Thread) | 25 mm | US$ 0.31 | 5 pcs/pack | In stock |
| 8*30 (M5 Internal Thread) | 30 mm | US$ 0.34 | 5 pcs/pack | In stock |
| 8*35 (M5 Internal Thread) | 35 mm | US$ 0.40 | 5 pcs/pack | In stock |
| 8*40 (M5 Internal Thread) | 40 mm | US$ 0.46 | 5 pcs/pack | In stock |
| 8*45 (M5 Internal Thread) | 45 mm | US$ 0.52 | 5 pcs/pack | In stock |
| 8*50 (M5 Internal Thread) | 50 mm | US$ 0.55 | 5 pcs/pack | In stock |
| 8*55 (M5 Internal Thread) | 55 mm | US$ 0.77 | 2 pcs/pack | In stock |
| 8*60 (M5 Internal Thread) | 60 mm | US$ 0.80 | 2 pcs/pack | In stock |
| 8*65 (M5 Internal Thread) | 65 mm | US$ 0.89 | 2 pcs/pack | In stock |
| 8*70 (M5 Internal Thread) | 70 mm | US$ 0.92 | 2 pcs/pack | In stock |
| 8*75 (M5 Internal Thread) | 75 mm | US$ 1.11 | 2 pcs/pack | Made to order |
| 8*80 (M5 Internal Thread) | 80 mm | US$ 1.14 | 2 pcs/pack | In stock |
| 8*90 (M5 Internal Thread) | 90 mm | US$ 1.29 | 1 pcs/pack | Made to order |
| 8*100 (M5 Internal Thread) | 100 mm | US$ 1.32 | 1 pcs/pack | In stock |
| Diameter ⌀ 10 mm | ||||
| 10*16 (M6 Internal Thread) | 16 mm | US$ 0.55 | 5 pcs/pack | In stock |
| 10*20 (M6 Internal Thread) | 20 mm | US$ 0.49 | In stock | |
| 10*25 (M6 Internal Thread) | 25 mm | US$ 0.49 | 5 pcs/pack | In stock |
| 10*30 (M6 Internal Thread) | 30 mm | US$ 0.52 | 5 pcs/pack | In stock |
| 10*32 (M6 Internal Thread) | 32 mm | US$ 0.55 | 5 pcs/pack | In stock |
| 10*35 (M6 Internal Thread) | 35 mm | US$ 0.55 | 5 pcs/pack | In stock |
| 10*40 (M6 Internal Thread) | 40 mm | US$ 0.62 | 2 pcs/pack | In stock |
| 10*45 (M6 Internal Thread) | 45 mm | US$ 0.83 | 2 pcs/pack | In stock |
| 10*50 (M6 Internal Thread) | 50 mm | US$ 0.92 | 2 pcs/pack | In stock |
| 10*55 (M6 Internal Thread) | 55 mm | US$ 0.98 | 2 pcs/pack | In stock |
| 10*60 (M6 Internal Thread) | 60 mm | US$ 1.26 | 1 pcs/pack | In stock |
| 10*65 (M6 Internal Thread) | 65 mm | US$ 1.38 | 1 pcs/pack | Made to order |
| 10*70 (M6 Internal Thread) | 70 mm | US$ 1.51 | 1 pcs/pack | In stock |
| 10*75 (M6 Internal Thread) | 75 mm | US$ 1.60 | Made to order | |
| 10*80 (M6 Internal Thread) | 80 mm | US$ 1.66 | 1 pcs/pack | In stock |
| 10*90 (M6 Internal Thread) | 90 mm | US$ 1.94 | 1 pcs/pack | In stock |
| 10*100 (M6 Internal Thread) | 100 mm | US$ 2.09 | 1 pcs/pack | In stock |
| 10*110 (M6 Internal Thread) | 110 mm | US$ 2.37 | 1 pcs/pack | In stock |
| 10*120 (M6 Internal Thread) | 120 mm | US$ 2.37 | 1 pcs/pack | Made to order |
| Diameter ⌀ 12 mm | ||||
| 12*20 (M6 Internal Thread) | 20 mm | US$ 0.77 | 2 pcs/pack | In stock |
| 12*25 (M6 Internal Thread) | 25 mm | US$ 0.83 | 2 pcs/pack | In stock |
| 12*30 (M6 Internal Thread) | 30 mm | US$ 0.86 | 2 pcs/pack | In stock |
| 12*35 (M6 Internal Thread) | 35 mm | US$ 0.92 | 2 pcs/pack | In stock |
| 12*40 (M6 Internal Thread) | 40 mm | US$ 1.02 | 2 pcs/pack | In stock |
| 12*45 (M6 Internal Thread) | 45 mm | US$ 1.08 | 2 pcs/pack | In stock |
| 12*50 (M6 Internal Thread) | 50 mm | US$ 1.26 | 1 pcs/pack | In stock |
| 12*55 (M6 Internal Thread) | 55 mm | US$ 1.32 | 1 pcs/pack | In stock |
| 12*60 (M6 Internal Thread) | 60 mm | US$ 1.60 | 1 pcs/pack | In stock |
| 12*65 (M6 Internal Thread) | 65 mm | US$ 1.88 | 1 pcs/pack | In stock |
| 12*70 (M6 Internal Thread) | 70 mm | US$ 1.66 | 1 pcs/pack | In stock |
| 12*75 (M6 Internal Thread) | 75 mm | US$ 1.88 | 1 pcs/pack | In stock |
| 12*80 (M6 Internal Thread) | 80 mm | US$ 1.91 | 1 pcs/pack | In stock |
| 12*90 (M6 Internal Thread) | 90 mm | US$ 2.09 | 1 pcs/pack | In stock |
| 12*100 (M6 Internal Thread) | 100 mm | US$ 2.37 | 1 pcs/pack | In stock |
| 12*110 (M6 Internal Thread) | 110 mm | US$ 2.77 | 1 pcs/pack | In stock |
| 12*120 (M6 Internal Thread) | 120 mm | US$ 2.92 | 1 pcs/pack | In stock |
| 12*130 (M6 Internal Thread) | 130 mm | US$ 4.15 | Made to order | |
| 12*140 (M6 Internal Thread) | 140 mm | US$ 4.71 | Made to order | |
| 12*150 (M6 Internal Thread) | 150 mm | US$ 5.54 | Made to order | |
| Diameter ⌀ 13 mm | ||||
| 13*30 (M8 Internal Thread) | 30 mm | US$ 1.63 | Made to order | |
| 13*50 (M8 Internal Thread) | 50 mm | US$ 2.28 | Made to order | |
| Diameter ⌀ 14 mm | ||||
| 14*30 (M8 Internal Thread) | 30 mm | US$ 2.09 | 1 pcs/pack | Made to order |
| 14*40 (M8 Internal Thread) | 40 mm | US$ 2.49 | 1 pcs/pack | In stock |
| 14*50 (M8 Internal Thread) | 50 mm | US$ 2.92 | 1 pcs/pack | Made to order |
| 14*60 (M8 Internal Thread) | 60 mm | US$ 3.32 | 1 pcs/pack | Made to order |
| 14*70 (M8 Internal Thread) | 70 mm | US$ 3.88 | 1 pcs/pack | Made to order |
| 14*80 (M8 Internal Thread) | 80 mm | US$ 4.43 | 1 pcs/pack | Made to order |
| 14*90 (M8 Internal Thread) | 90 mm | US$ 5.26 | 1 pcs/pack | Made to order |
| 14*100 (M8 Internal Thread) | 100 mm | US$ 6.25 | 1 pcs/pack | Made to order |
| 14*110 (M8 Internal Thread) | 110 mm | US$ 5.38 | 1 pcs/pack | Made to order |
| Diameter ⌀ 16 mm | ||||
| 16*30 (M8 Internal Thread) | 30 mm | US$ 1.78 | 1 pcs/pack | In stock |
| 16*35 (M8 Internal Thread) | 35 mm | US$ 1.85 | 1 pcs/pack | In stock |
| 16*40 (M8 Internal Thread) | 40 mm | US$ 1.94 | 1 pcs/pack | In stock |
| 16*45 (M8 Internal Thread) | 45 mm | US$ 2.09 | 1 pcs/pack | In stock |
| 16*50 (M8 Internal Thread) | 50 mm | US$ 2.25 | 1 pcs/pack | In stock |
| 16*55 (M8 Internal Thread) | 55 mm | US$ 2.49 | 1 pcs/pack | In stock |
| 16*60 (M8 Internal Thread) | 60 mm | US$ 2.71 | 1 pcs/pack | In stock |
| 16*65 (M8 Internal Thread) | 65 mm | US$ 3.11 | 1 pcs/pack | Made to order |
| 16*70 (M8 Internal Thread) | 70 mm | US$ 3.60 | 1 pcs/pack | In stock |
| 16*75 (M8 Internal Thread) | 75 mm | US$ 3.60 | 1 pcs/pack | Made to order |
| 16*80 (M8 Internal Thread) | 80 mm | US$ 3.88 | 1 pcs/pack | In stock |
| 16*85 (M8 Internal Thread) | 85 mm | US$ 4.15 | 1 pcs/pack | Made to order |
| 16*90 (M8 Internal Thread) | 90 mm | US$ 4.31 | 1 pcs/pack | In stock |
| 16*100 (M8 Internal Thread) | 100 mm | US$ 5.14 | 1 pcs/pack | Made to order |
| 16*110 (M8 Internal Thread) | 110 mm | US$ 5.14 | 1 pcs/pack | Made to order |
| 16*120 (M8 Internal Thread) | 120 mm | US$ 5.54 | 1 pcs/pack | Made to order |
| 16*130 (M8 Internal Thread) | 130 mm | US$ 6.77 | 1 pcs/pack | Made to order |
| 16*140 (M8 Internal Thread) | 140 mm | US$ 6.77 | 1 pcs/pack | Made to order |
| 16*150 (M8 Internal Thread) | 150 mm | US$ 6.77 | 1 pcs/pack | Made to order |
| Diameter ⌀ 18 mm | ||||
| 18*60 (M10 Internal Thread) | 60 mm | US$ 5.54 | 1 pcs/pack | In stock |
| Diameter ⌀ 20 mm | ||||
| 20*30 (M10 Internal Thread) | 30 mm | US$ 2.15 | 1 pcs/pack | Made to order |
| 20*35 (M10 Internal Thread) | 35 mm | US$ 2.28 | 1 pcs/pack | Made to order |
| 20*40 (M10 Internal Thread) | 40 mm | US$ 2.37 | 1 pcs/pack | Made to order |
| 20*45 (M10 Internal Thread) | 45 mm | US$ 2.74 | 1 pcs/pack | In stock |
| 20*50 (M10 Internal Thread) | 50 mm | US$ 3.02 | 1 pcs/pack | In stock |
| 20*55 (M10 Internal Thread) | 55 mm | US$ 3.14 | 1 pcs/pack | Made to order |
| 20*60 (M10 Internal Thread) | 60 mm | US$ 3.66 | 1 pcs/pack | Made to order |
| 20*65 (M10 Internal Thread) | 65 mm | US$ 3.78 | 1 pcs/pack | Made to order |
| 20*70 (M10 Internal Thread) | 70 mm | US$ 3.88 | 1 pcs/pack | Made to order |
| 20*75 (M10 Internal Thread) | 75 mm | US$ 4.00 | 1 pcs/pack | Made to order |
| 20*80 (M10 Internal Thread) | 80 mm | US$ 4.68 | 1 pcs/pack | In stock |
| 20*85 (M10 Internal Thread) | 85 mm | US$ 4.31 | 1 pcs/pack | Made to order |
| 20*90 (M10 Internal Thread) | 90 mm | US$ 4.52 | 1 pcs/pack | Made to order |
| 20*100 (M10 Internal Thread) | 100 mm | US$ 4.86 | 1 pcs/pack | Made to order |
| 20*110 (M10 Internal Thread) | 110 mm | US$ 5.17 | 1 pcs/pack | Made to order |
| 20*120 (M10 Internal Thread) | 120 mm | US$ 5.60 | 1 pcs/pack | Made to order |
| 20*130 (M10 Internal Thread) | 130 mm | US$ 9.17 | 1 pcs/pack | Made to order |
| 20*140 (M10 Internal Thread) | 140 mm | US$ 9.69 | 1 pcs/pack | Made to order |
| 20*150 (M10 Internal Thread) | 150 mm | US$ 10.25 | 1 pcs/pack | Made to order |
| 20*160 (M10 Internal Thread) | 160 mm | US$ 11.32 | 1 pcs/pack | In stock |
| Diameter ⌀ 25 mm | ||||
| 25*50 (M16 Internal Thread) | 50 mm | US$ 6.15 | 1 pcs/pack | Made to order |
| 25*60 (M16 Internal Thread) | 60 mm | US$ 6.80 | 1 pcs/pack | Made to order |
| 25*70 (M16 Internal Thread) | 70 mm | US$ 8.18 | 1 pcs/pack | Made to order |
| 25*80 (M16 Internal Thread) | 80 mm | US$ 9.26 | 1 pcs/pack | Made to order |
| 25*90 (M16 Internal Thread) | 90 mm | US$ 10.12 | 1 pcs/pack | In stock |
| 25*100 (M16 Internal Thread) | 100 mm | US$ 11.32 | 1 pcs/pack | In stock |
| 25*110 (M16 Internal Thread) | 110 mm | US$ 12.40 | 1 pcs/pack | Made to order |
| 25*120 (M16 Internal Thread) | 120 mm | US$ 13.26 | 1 pcs/pack | Made to order |
| Diameter ⌀ 30 mm | ||||
| 30*40 (M20 Thread) | 40 mm | US$ 5.61 | 1 pcs/pack | In stock |
| 30*60 (M20 Thread) | 60 mm | US$ 10.25 | 1 pcs/pack | Made to order |
| 30*70 (M20 Thread) | 70 mm | US$ 11.63 | 1 pcs/pack | Made to order |
| 30*80 (M20 Thread) | 80 mm | US$ 12.71 | 1 pcs/pack | Made to order |
| 30*90 (M20 Thread) | 90 mm | US$ 13.91 | 1 pcs/pack | Made to order |
| 30*100 (M20 Thread) | 100 mm | US$ 15.08 | 1 pcs/pack | Made to order |
| 30*110 (M20 Thread) | 110 mm | US$ 17.23 | 1 pcs/pack | Made to order |
| 30*120 (M20 Thread) | 120 mm | US$ 18.31 | 1 pcs/pack | Made to order |
Prices in USD are converted from TWD (reference rate 1 USD = NT$32.5, as of 2026-09-08). Orders are invoiced and settled in TWD.