Machine Screws Metric Countersunk Head DIN 965 BS 4183 ISO 7046 Specifications: Materials / Finishes Steel 4.8 / zinc and clear Stainless steel / self colour Brass / self colour Dimensions Thread (d) M3 M4 M5 M6 H max (BS/DIN) 1.65 2.2 2.5 3 H max (ISO) 1.65 2.7 2.7 3.3 recess (BS/DIN) 1 2 2 3 recess (ISO) 1 2 2 3 D nom (BS) 6.3 8.4 10 12 D nom (DIN) 5.6 7.5 9.2 11 D nom (ISO) 5.5 8.4 9.3 11.3 NB : Generally our preferred stock is to DIN - if dimensions are critical to your application you should check with us prior to ordering Preferred Lengths Thread (d) M3 M4 M5 M6 6 ST A2 ST ST - 10 ST ST ST ST 12 ST A2 ST ST ST 16 ST ST ST ST Length (L) 20 ST ST ST ST 25 ST ST ST ST 30 ST ST ST ST 40 ST ST ST ST 50 ST ST ST ST ST - Steel, Zinc and clear - other finishes often available A2 - A2 Stainless steel, self colour www.element14.com www.farnell.com www.newark.com www.cpc.co.uk www.mcmelectronics.com Page <1> 07/04/12 V1.1Machine Screws Metric Countersunk Head Part Number Table Description Part Number Screw, Pozi, CSK, Steel, BZP, M3X6 M36 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M3X10 M310 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M3X12 M312 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M3X16 M316 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M3X20 M320 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M4X10 M410 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M4X12 M412 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M4X16 M416 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M4X20 M420 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M4X25 M425 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M5X12 M512 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M5X16 M516 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M5X20 M520 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M5X25 M525 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M5X30 M530 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M5X40 M540 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M6X12 M612 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M6X16 M616 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M6X20 M620 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M6X25 M625 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M6X40 M640 KRSTMCZ100- Screw, Pozi, CSK, Steel, BZP, M6X50 M650 KRSTMCZ100- Screw, Pozi, CSK, S/S, A2, M3X6 M36 KRA2MCS100- Screw, Pozi, CSK, S/S, A2, M3X12 M312 KRA2MCS100- Important Notice : This data sheet and its contents (theInformatio) belong to the members of the Premier Farnell group of companies (theGrou) or are licensed to it. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group s liability for death or personal injury resulting from its negligence. DURATOOL is the registered trademark of the Group. Premier Farnell plc 2012. www.element14.com www.farnell.com www.newark.com www.cpc.co.uk www.mcmelectronics.com Page <2> 23/04/12 V1.1