DIN 961 Cap Screws | McMaster-Carr

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About Hex Head Screws and Bolts

Fully Threaded

These Class 8.8 steel screws are suitable for fastening most machinery and equipment. Dimensions meet ISO (formerly DIN) or DIN specifications. Length is measured from under the head.

Zinc-plated steel screws resist corrosion in wet environments. Match the thread spacing of mating components. Fine and extra-fine threads are closely spaced to prevent loosening from vibration; the finer the thread, the better the resistance.

For technical drawings and 3-D models, click on a part number.

			Head
Lg., mm	Threading	Thread Spacing	Wd., mm	Ht., mm	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
Black Class 8.8 Steel
M10 × 1.25 mm
20	Fully Threaded	Fine	17	6.6	110,000	DIN 961	25	000000000	00000
25	Fully Threaded	Fine	17	6.6	110,000	DIN 961	25	000000000	0000
35	Fully Threaded	Fine	17	6.6	110,000	DIN 961	25	000000000	00000
40	Fully Threaded	Fine	17	6.6	110,000	DIN 961	10	000000000	0000
Zinc-Plated Class 8.8 Steel
M8 × 1 mm
10	Fully Threaded	Fine	13	5.3	110,000	ISO 8676, DIN 961	25	000000000	00000
12	Fully Threaded	Fine	13	5.3	110,000	ISO 8676, DIN 961	25	000000000	0000
16	Fully Threaded	Fine	13	5.3	110,000	ISO 8676, DIN 961	25	000000000	00000
20	Fully Threaded	Fine	13	5.3	110,000	ISO 8676, DIN 961	50	000000000	00000
25	Fully Threaded	Fine	13	5.3	110,000	ISO 8676, DIN 961	50	000000000	00000
30	Fully Threaded	Fine	13	5.3	110,000	ISO 8676, DIN 961	50	000000000	00000
35	Fully Threaded	Fine	13	5.3	110,000	ISO 8676, DIN 961	25	000000000	00000
40	Fully Threaded	Fine	13	5.3	110,000	ISO 8676, DIN 961	25	000000000	00000
45	Fully Threaded	Fine	13	5.3	110,000	ISO 8676, DIN 961	10	000000000	0000
50	Fully Threaded	Fine	13	5.3	110,000	ISO 8676, DIN 961	10	000000000	0000
M10 × 1.25 mm
16	Fully Threaded	Fine	17	6.4	110,000	ISO 8676, DIN 961	25	000000000	00000
20	Fully Threaded	Fine	17	6.4	110,000	ISO 8676, DIN 961	25	000000000	00000
25	Fully Threaded	Fine	17	6.4	110,000	ISO 8676, DIN 961	25	000000000	00000
30	Fully Threaded	Fine	17	6.4	110,000	ISO 8676, DIN 961	25	000000000	00000
35	Fully Threaded	Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	0000
40	Fully Threaded	Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	0000
45	Fully Threaded	Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	00000
50	Fully Threaded	Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	00000
60	Fully Threaded	Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	00000
M10 × 1 mm
16	Fully Threaded	Extra Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	0000
20	Fully Threaded	Extra Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	0000
25	Fully Threaded	Extra Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	0000
30	Fully Threaded	Extra Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	00000
35	Fully Threaded	Extra Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	00000
40	Fully Threaded	Extra Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	00000
45	Fully Threaded	Extra Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	00000
50	Fully Threaded	Extra Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	00000
60	Fully Threaded	Extra Fine	17	6.4	110,000	ISO 8676, DIN 961	10	000000000	00000
M12 × 1.5 mm
16	Fully Threaded	Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	0000
20	Fully Threaded	Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
25	Fully Threaded	Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	0000
30	Fully Threaded	Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
35	Fully Threaded	Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
40	Fully Threaded	Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
45	Fully Threaded	Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
50	Fully Threaded	Fine	19	7.5	110,000	ISO 8676, DIN 961	5	000000000	00000
60	Fully Threaded	Fine	19	7.5	110,000	ISO 8676, DIN 961	5	000000000	00000
M12 × 1.25 mm
20	Fully Threaded	Extra Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
25	Fully Threaded	Extra Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
30	Fully Threaded	Extra Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
35	Fully Threaded	Extra Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
40	Fully Threaded	Extra Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
45	Fully Threaded	Extra Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
50	Fully Threaded	Extra Fine	19	7.5	110,000	ISO 8676, DIN 961	5	000000000	0000
60	Fully Threaded	Extra Fine	19	7.5	110,000	ISO 8676, DIN 961	10	000000000	00000
M14 × 1.5 mm
20	Fully Threaded	Fine	22	8.8	110,000	ISO 8676, DIN 961	1	000000000	0000
25	Fully Threaded	Fine	22	8.8	110,000	ISO 8676, DIN 961	5	000000000	00000
30	Fully Threaded	Fine	22	8.8	110,000	ISO 8676, DIN 961	10	000000000	00000
35	Fully Threaded	Fine	22	8.8	110,000	ISO 8676, DIN 961	10	000000000	00000
40	Fully Threaded	Fine	22	8.8	110,000	ISO 8676, DIN 961	5	000000000	00000
45	Fully Threaded	Fine	22	8.8	110,000	ISO 8676, DIN 961	5	000000000	00000
50	Fully Threaded	Fine	22	8.8	110,000	ISO 8676, DIN 961	5	000000000	00000
55	Fully Threaded	Fine	22	8.8	110,000	ISO 8676, DIN 961	5	000000000	00000
60	Fully Threaded	Fine	22	8.8	110,000	ISO 8676, DIN 961	1	000000000	0000
M16 × 1.5 mm
20	Fully Threaded	Fine	24	10	110,000	ISO 8676, DIN 961	5	000000000	00000
25	Fully Threaded	Fine	24	10	110,000	ISO 8676, DIN 961	5	000000000	0000
30	Fully Threaded	Fine	24	10	110,000	ISO 8676, DIN 961	5	000000000	00000
35	Fully Threaded	Fine	24	10	110,000	ISO 8676, DIN 961	1	000000000	0000
40	Fully Threaded	Fine	24	10	110,000	ISO 8676, DIN 961	5	000000000	00000
45	Fully Threaded	Fine	24	10	110,000	ISO 8676, DIN 961	5	000000000	00000
50	Fully Threaded	Fine	24	10	110,000	ISO 8676, DIN 961	5	000000000	00000
60	Fully Threaded	Fine	24	10	110,000	ISO 8676, DIN 961	1	000000000	0000
M18 × 1.5 mm
30	Fully Threaded	Fine	27	11.5	110,000	ISO 8676, DIN 961	1	000000000	0000
35	Fully Threaded	Fine	27	11.7	110,000	ISO 8676, DIN 961	1	000000000	0000
40	Fully Threaded	Fine	27	11.5	110,000	ISO 8676, DIN 961	1	000000000	0000
50	Fully Threaded	Fine	27	11.5	110,000	ISO 8676, DIN 961	1	000000000	0000
60	Fully Threaded	Fine	27	11.5	110,000	ISO 8676, DIN 961	1	000000000	0000
M20 × 2 mm
50	Fully Threaded	Fine	30	12.5	110,000	ISO 8676, DIN 961	1	000000000	0000
60	Fully Threaded	Fine	30	12.5	110,000	ISO 8676, DIN 961	1	000000000	0000
M20 × 1.5 mm
30	Fully Threaded	Extra Fine	30	12.5	110,000	ISO 8676, DIN 961	1	000000000	0000
35	Fully Threaded	Extra Fine	30	12.7	110,000	ISO 8676, DIN 961	1	000000000	0000
40	Fully Threaded	Extra Fine	30	12.5	110,000	ISO 8676, DIN 961	1	000000000	0000
50	Fully Threaded	Extra Fine	30	12.5	110,000	ISO 8676, DIN 961	1	000000000	0000
60	Fully Threaded	Extra Fine	30	12.5	110,000	ISO 8676, DIN 961	1	000000000	0000
70	Fully Threaded	Extra Fine	30	12.7	110,000	ISO 8676, DIN 961	1	000000000	0000

High-Strength Metric Class 10.9 Steel Hex Head Screws

Fully Threaded

Choose these Class 10.9 steel screws for high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are at least 25% stronger than medium-strength steel screws. Dimensions meet ISO (formerly DIN) or DIN specifications. Length is measured from under the head.

Zinc yellow-chromate plated and zinc-plated steel screws resist corrosion in wet environments. Match the thread spacing of mating components. Fine and extra-fine threads are closely spaced to prevent loosening from vibration; the finer the thread, the better the resistance.

For technical drawings and 3-D models, click on a part number.

			Head
Lg., mm	Threading	Thread Spacing	Wd., mm	Ht., mm	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
Zinc Yellow-Chromate Plated Class 10.9 Steel
M8 × 1 mm
20	Fully Threaded	Fine	13	5.3	150,000	ISO 8676, DIN 961	25	000000000	000000
25	Fully Threaded	Fine	13	5.3	150,000	ISO 8676, DIN 961	25	000000000	00000
30	Fully Threaded	Fine	13	5.3	150,000	ISO 8676, DIN 961	25	000000000	00000
40	Fully Threaded	Fine	13	5.3	150,000	ISO 8676, DIN 961	10	000000000	0000
M10 × 1.25 mm
25	Fully Threaded	Fine	17	6.4	150,000	ISO 8676, DIN 961	10	000000000	00000
30	Fully Threaded	Fine	17	6.4	150,000	ISO 8676, DIN 961	10	000000000	00000
35	Fully Threaded	Fine	17	6.4	150,000	ISO 8676, DIN 961	10	000000000	00000
40	Fully Threaded	Fine	17	6.4	150,000	ISO 8676, DIN 961	10	000000000	00000
50	Fully Threaded	Fine	17	6.4	150,000	ISO 8676, DIN 961	10	000000000	00000
60	Fully Threaded	Fine	17	6.4	150,000	ISO 8676, DIN 961	5	000000000	00000
M12 × 1.5 mm
30	Fully Threaded	Fine	19	7.5	150,000	ISO 8676, DIN 961	10	000000000	00000
35	Fully Threaded	Fine	19	7.5	150,000	ISO 8676, DIN 961	10	000000000	00000
40	Fully Threaded	Fine	19	7.5	150,000	ISO 8676, DIN 961	5	000000000	00000
50	Fully Threaded	Fine	19	7.5	150,000	ISO 8676, DIN 961	5	000000000	00000
M12 × 1.25 mm
30	Fully Threaded	Extra Fine	19	7.5	150,000	ISO 8676, DIN 961	10	000000000	00000
35	Fully Threaded	Extra Fine	19	7.5	150,000	ISO 8676, DIN 961	10	000000000	00000
40	Fully Threaded	Extra Fine	19	7.5	150,000	ISO 8676, DIN 961	5	000000000	00000
50	Fully Threaded	Extra Fine	19	7.5	150,000	ISO 8676, DIN 961	5	000000000	00000
M16 × 1.5 mm
40	Fully Threaded	Fine	24	10	150,000	ISO 8676, DIN 961	5	000000000	00000
50	Fully Threaded	Fine	24	10	150,000	ISO 8676, DIN 961	5	000000000	00000
60	Fully Threaded	Fine	24	10	150,000	ISO 8676, DIN 961	1	000000000	0000
70	Fully Threaded	Fine	24	10	150,000	ISO 8676, DIN 961	1	000000000	0000
80	Fully Threaded	Fine	24	10	150,000	ISO 8676, DIN 961	1	000000000	0000

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About Hex Head Screws and Bolts

Medium-Strength Metric Class 8.8 Steel Hex Head Screws

High-Strength Metric Class 10.9 Steel Hex Head Screws