# P-clips and rubber-lined cable clamps (DIN 3016): cable diameter, hole, band width and thickness, PK-15 and PK-20 series

> What are the dimensions of a P-clip (rubber-lined cable clamp, DIN 3016): cable diameter range, screw hole, band width and thickness for each size?

- Category: Hardware › Fasteners
- Kind: Standard part
- Basis: HCL Fasteners PK-15 / PK-20 table (labelled A to F1; series constants as printed once), compared with Jubilee, Express Electrical and Accu Components ranges; numbers only
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**Exact dimensions.** Every file is drawn at true size with no tolerance added. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your process's clearance before making the part.

## Notes

- P-clips (P-clamps, Adel clips, rubber-lined cable clamps) hold a cable, hose or pipe to a surface with one screw through the tail; the rubber liner grips and protects. The HCL Fasteners table (it labels both series DIN 3016) is the only one read with labelled columns A to F1 for every size. A is the largest cable diameter, B the offset distance (as HCL labels it), C the hole, D the band width, E the rubber width, F the band thickness and F1 the clamping thickness.
- The HCL sheet prints C, D, E, F and F1 once per series (merged cells), so those are carried down the whole series here: PK-15: hole 6.4, band 15, rubber 18; PK-20: hole 8.4, band 20, rubber 24, thickness 1.0 and F1 2.5. For PK-15 the sheet prints 0.6 / 1.6 for the first row and 0.8 / 1.8 from PK-15-15 on; the table assumes the change applies from size 15, which is how the text reads but is not drawn. Quantities and the 2.5 % tolerance note are in the PDF. Offset B steps are as printed, including the odd PK-20-45 (37.0) and PK-20-50 (37.5).
- Other makers' ranges: Jubilee (band 12.7 mm, fastening M4/5 in zinc-plated mild steel or M6 in 304 stainless) lists bundle diameters as min to max: 4.5 to 6, 5.5 to 8, 7.5 to 10, 8.5 to 11, 9.5 to 12, 11.5 to 14, 12.5 to 15, 13.5 to 16, 14.5 to 17, 15.5 to 18, 16.5 to 19, 17.5 to 20, 18.5 to 21, 19.5 to 22, 20.5 to 23, 21.5 to 24, 24.5 to 27, 26.5 to 29, 27.5 to 30, 28.5 to 31, 29.5 to 32, 34.5 to 37, 39.5 to 42, 43.5 to 46 mm. Express Electrical's stainless EPC clips (sizes 5, 6, 8, 10, 13, 16, 21, 25, 29, 35, 40 mm) have a 6.6 mm hole, 12 mm band and 15 mm total width (the table's column labels are positional). Accu Components HHCP-20-12-A4: diameter 20, band width 12, fastening 6 mm, range 5 to 52 mm. So a 12 to 12.7 mm band with a 6.4 to 6.6 mm hole is the common small size, a 15 mm band with 6.4 mm hole the PK-15, a 20 mm band with 8.4 mm the PK-20.
- Band widths and holes therefore depend on the series, not only on the cable size; check the series before drilling. Left out: files (the tail length and strap form are not published as numbers) and non-DIN clamp types (twin-wire clips, saddle clamps).

## Mating features (exact size; open press / slide / run / socket by your process clearance, leave designed and clamp as drawn)

| feature | exact | mates with | fit | files |
|---|---|---|---|---|
| screw hole C | Ø6.4 (PK-15, 15 mm band), Ø8.4 (PK-20, 20 mm band) | fastening screw or rivet through the clip tail (screw size not stated by HCL; clearance on thread-reference-tap-drills-clearance) | slide | all |

## Sizes

| HCL part | max cable Ø A, mm | offset B, mm | hole Ø C, mm | band width D, mm | rubber width E, mm | band thickness F, mm | clamping thickness F1, mm |
|---|---|---|---|---|---|---|---|
| PK-15-5 | 5 | 12.2 | 6.4 | 15 | 18 | 0.6 | 1.6 |
| PK-15-6 | 6 | 12.7 | 6.4 | 15 | 18 | 0.6 | 1.6 |
| PK-15-7 | 7 | 13.2 | 6.4 | 15 | 18 | 0.6 | 1.6 |
| PK-15-8 | 8 | 13.7 | 6.4 | 15 | 18 | 0.6 | 1.6 |
| PK-15-9 | 9 | 14.2 | 6.4 | 15 | 18 | 0.6 | 1.6 |
| PK-15-10 | 10 | 14.7 | 6.4 | 15 | 18 | 0.6 | 1.6 |
| PK-15-11 | 11 | 15.2 | 6.4 | 15 | 18 | 0.6 | 1.6 |
| PK-15-12 | 12 | 15.7 | 6.4 | 15 | 18 | 0.6 | 1.6 |
| PK-15-13 | 13 | 16.2 | 6.4 | 15 | 18 | 0.6 | 1.6 |
| PK-15-14 | 14 | 16.7 | 6.4 | 15 | 18 | 0.6 | 1.6 |
| PK-15-15 | 15 | 17.2 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-16 | 16 | 17.7 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-17 | 17 | 18.2 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-18 | 18 | 18.7 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-19 | 19 | 19.2 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-20 | 20 | 19.7 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-21 | 21 | 20.2 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-22 | 22 | 20.7 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-23 | 23 | 21.2 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-24 | 24 | 21.7 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-25 | 25 | 22.2 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-26 | 26 | 22.7 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-27 | 27 | 23.2 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-28 | 28 | 23.7 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-29 | 29 | 24.2 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-30 | 30 | 24.7 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-31 | 31 | 25.2 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-32 | 32 | 25.7 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-33 | 33 | 26.2 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-34 | 34 | 26.7 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-35 | 35 | 27.2 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-15-40 | 40 | 29.7 | 6.4 | 15 | 18 | 0.8 | 1.8 |
| PK-20-11 | 11 | 20 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-12 | 12 | 20.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-13 | 13 | 21 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-15 | 15 | 22 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-18 | 18 | 23.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-20 | 20 | 24.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-22 | 22 | 25.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-25 | 25 | 27 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-28 | 28 | 28.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-30 | 30 | 29.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-32 | 32 | 30.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-35 | 35 | 32 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-38 | 38 | 33.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-40 | 40 | 34.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-45 | 45 | 37 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-50 | 50 | 37.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-55 | 55 | 40 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-60 | 60 | 42.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-65 | 65 | 45 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-70 | 70 | 47.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-75 | 75 | 50 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-80 | 80 | 52.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-85 | 85 | 55 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-90 | 90 | 57.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-95 | 95 | 60 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-100 | 100 | 62.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-110 | 110 | 65 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-120 | 120 | 67.5 | 8.4 | 20 | 24 | 1 | 2.5 |
| PK-20-130 | 130 | 70 | 8.4 | 20 | 24 | 1 | 2.5 |

## Where the files are

- HCL Fasteners: [Rubber-lined P-clips PK-15 and PK-20 (DIN 3016): max diameter A, offset B, hole C, band D, rubber width E, band thickness F, clamping thickness F1](https://secure.hclfasteners.myzen.co.uk/pdfs/PK-clip.pdf) — web — Publisher's page; dimensions are facts
- Jubilee (Lit PDF): [Jubilee P-clips: diameter min / max by part, band width 12.7, fastening M4/5 (mild steel) and M6 (304 stainless)](https://d1g9f3g06ezg82.cloudfront.net/files/1394f160-cef2-438f-a7da-0fa20acc15ab/Lit-Jubilee-P-Clips.pdf) — web — Publisher's page; dimensions are facts
- Express Electrical (PDF): [EPC rubber-lined stainless P-clips: hole 6.6, bundle 5 to 40 mm (column labels positional)](https://www.expresselectrical.co.uk/files//f4979a16-7077-4d4d-97d3-ade900fbd14b/EPCR%20SS304%20Rubber%20Lined%20P-Clips.pdf) — web — Publisher's page; dimensions are facts
- Accu Components: [HHCP-20-12-A4 P-clip DIN 3016: diameter 20, band width 12, fastening 6; range 5 to 52 mm](https://accu-components.com/fr/clips-en-p/849647-HHCP-20-12-A4) — web — Publisher's page; dimensions are facts
- HellermannTyton: [P-clip / cable clamp product pages (maker CAD and drawings)](https://hellermanntyton.com/products/clips-clamps-and-plugs/moc8floc20-25/156-01614) — web — Publisher's page; dimensions are facts

## Questions

**What hole does a P-clip have?**

In the DIN 3016 PK-15 series it is 6.4 mm (15 mm band), in PK-20 it is 8.4 mm (20 mm band); other makers' 12 mm clips use 6.6 mm.

**How wide is the band?**

15 mm for PK-15, 20 mm for PK-20 (HCL), 12 to 12.7 mm for the small stainless clips from Jubilee and Express Electrical.

**How is the clip size named?**

By the largest cable diameter it takes (HCL's A): PK-15-10 takes up to Ø10 mm; Jubilee's list gives a min to max range instead.

**How thick is the band?**

0.6 to 0.8 mm for PK-15 and 1.0 mm for PK-20 as read from the HCL sheet (see the note on the merged cells).

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