HSCo Multi Special UNC thread machine tap for blind holes - MATAP-BLIHO-DIN371-UNC-MULTI-1/4-20

HSCo Multi Special UNC thread machine tap for blind holes - MATAP-BLIHO-DIN371-UNC-MULTI-1/4-20 - 1

HSCo Multi Special UNC thread machine tap for blind holes

Name: HSCo Multi Special UNC thread machine tap for blind holes
Brand: Würth
SKU: 0659890635

Machine tap, HSCo, multi UNC, form C
MATAP-BLIHO-DIN371-UNC-MULTI-1/4-20
ZEBRA

Art.-no. 0659890635

EAN 4056807641256

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HSCo Multi Special UNC thread machine tap for blind holes

Art.-no. 0659890635

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The versatile screw tap for drilling UNC threads for universal use in steels up to a strength of 1,000 N/mm², stainless steels and non-ferrous metals, such as aluminium, aluminium alloys, bronze and plastics.

For work in an extensive range of materials

The universal geometry allows processing of many different materials.

Long service life and good process reliability

The X allowance ensures an increased service life and process reliability.

Very good adhesion of coolants and lubricants as well as reduced tendency for build-up of materials

The vaporised surface enables coolants and lubricants to stick well and reduces the tendency for deposits to build up.

Notice

Sufficient coolant and lubricant must be added when cutting threads.

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

Thread type	UNC
Material to be processed	Steel Cast metal Stainless steel Non-ferrous metal
Hole type	Blind hole ≤ 2.5xD
Suitable for machine type	Milling/drill center Pedestal drilling machine
Quality	ZEBRA-Premium
Thread type x nominal diameter in inches	UNC 1/4 in
Number of thread starts per inch	20
Length	80 mm
Shank diameter	7 mm
Size of square	5.5 mm
DIN	371
Cutting material	HSCo
Surface	Vaporised
Form	C
Core hole diameter	5.1 mm
Twist angle	40° (right)
Shank style	Cylindrical with square drive
Tolerance of screw taps	2BX
Suitable for tensile strength up to	1000 N/mm²
Service life (points system)	2 of 4 points
Trueness to gauge (points system)	4 of 4 points
Versatility (points system)	3 of 4 points
Cutting behaviour (points system)	3 of 4 points
Chip formation (points system)	2 of 4 points
Material of sub-group	General structural steels Non-alloyed tempering steels Nitriding steels Tool steels High-speed steels Stainless steels, sulphurated Stainless steels, austenitic Stainless steels, martensitic Bronze, long-chipping Brass, long-chipping Plastics, thermoset Plastics, thermoplastic Aluminium alloys Aluminium Aluminium casting alloys (<10% silicon) Aluminium wrought alloys

Cutting values
For 4-40 UNC to 8-32 UNC
Material name	Tensile strength			4-40 UNC			6-32 UNC			8-32 UNC
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
Steels
General structural steels	≤ 850 N/mm²	20	50	2242	5604	0,64	1819	4547	0,79	1527	3817	0,79
Unalloyed heat-treated steels	≤ 850 N/mm²	20	50	2242	5604	0,64	1819	4547	0,79	1527	3817	0,79
Low-alloy heat-treated steels	≤ 850 N/mm²	20	50	2242	5604	0,64	1819	4547	0,79	1527	3817	0,79
Unalloyed heat-treated steels	≤ 1,000 N/mm²	20	50	2242	5604	0,64	1819	4547	0,79	1527	3817	0,79
Low-alloy heat-treated steels	≤ 1,000 N/mm²	20	50	2242	5604	0,64	1819	4547	0,79	1527	3817	0,79
Alloyed heat-treated steels	≤ 1200 N/mm²	5	20	560	2242	0,64	455	1819	0,79	382	1527	0,79
Nitriding steels	≤ 1,200 N/mm²	5	20	560	2242	0,64	455	1819	0,79	382	1527	0,79
Tool steels	≤ 1,200 N/mm²	5	20	560	2242	0,64	455	1819	0,79	382	1527	0,79
High-speed steels	≤ 1,200 N/mm²	5	20	560	2242	0,64	455	1819	0,79	382	1527	0,79
High-grade steels
Stainless steels	≤ 1,200 N/mm²	6	10	672	1,121	0,64	546	909	0,79	458	763	0,79
Titanium	≤ 850 N/mm²	4	6	448	672	0,64	364	546	0,79	305	458	0,79
Special alloys	≤ 1,200 N/mm²	3	10	336	1,121	0,64	273	909	0,79	229	763	0,79
Cast metals
Cast iron	≤ 300 HB	20	50	2,242	5,604	0,64	1,819	4,547	0,79	1,527	3,817	0,79
Nodular graphite and malleable iron	≤ 350 HB	20	50	2242	5604	0,64	1819	4547	0,79	1527	3817	0,79
Non-ferrous metals
Aluminium	≤ 450 N/mm²	20	40	2242	4483	0,64	1819	3638	0,79	1527	3053	0,79
Aluminium alloys	≤ 450 N/mm²	10	30	1121	3362	0,64	909	2728	0,79	763	2290	0,79
Wrought aluminium alloys	≤ 400 N/mm²	20	30	2242	3362	0,64	1819	2728	0,79	1527	2290	0,79
Aluminium cast alloys <= 10 % Si	≤ 600 N/mm²	20	30	2242	3362	0,64	1819	2728	0,79	1527	2290	0,79
Copper, low-alloy	≤ 400 N/mm²	10	30	1121	3362	0,64	909	2728	0,79	763	2290	0,79
Brass, long-chipping	≤ 600 N/mm²	20	50	2242	5604	0,64	1819	4547	0,79	1527	3817	0,79
Bronze, long-chipping	≤ 1,000 N/mm²	10	30	1121	3362	0,64	909	2728	0,79	763	2290	0,79
Plastics
Plastics, duroplastic		10	15	1121	1681	0,64	909	1364	0,79	763	1145	0,79
Plastics, thermoplastic		20	30	2242	3362	0,64	1819	2728	0,79	1527	2290	0,79

For 10-24 UNC to 5/16-18 UNC
Material name	Tensile strength			10-24 UNC			1/4-20 UNC			5/16-18 UNC
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
Steels
General structural steels	≤ 850 N/mm²	20	50	1318	3295	1,06	1003	2506	1,27	802	2004	1,41
Unalloyed heat-treated steels	≤ 850 N/mm²	20	50	1318	3295	1,06	1003	2506	1,27	802	2004	1,41
Low-alloy heat-treated steels	≤ 850 N/mm²	20	50	1318	3295	1,06	1003	2506	1,27	802	2004	1,41
Unalloyed heat-treated steels	≤ 1,000 N/mm²	20	50	1318	3295	1,06	1003	2506	1,27	802	2004	1,41
Low-alloy heat-treated steels	≤ 1,000 N/mm²	20	50	1318	3295	1,06	1003	2506	1,27	802	2004	1,41
Alloyed heat-treated steels	≤ 1200 N/mm²	5	20	330	1318	1,06	251	1003	1,27	200	802	1,41
Nitriding steels	≤ 1,200 N/mm²	5	20	330	1318	1,06	251	1003	1,27	200	802	1,41
Tool steels	≤ 1,200 N/mm²	5	20	330	1318	1,06	251	1003	1,27	200	802	1,41
High-speed steels	≤ 1,200 N/mm²	5	20	330	1318	1,06	251	1003	1,27	200	802	1,41
High-grade steels
Stainless steels	≤ 1,200 N/mm²	6	10	395	659	1,06	301	501	1,27	241	401	1,41
Titanium	≤ 850 N/mm²	4	6	264	395	1,06	201	301	1,27	160	241	1,41
Special alloys	≤ 1,200 N/mm²	3	10	198	659	1,06	150	501	1,27	120	401	1,41
Cast metals
Cast iron	≤ 300 HB	20	50	1,318	3,295	1,06	1,003	2,506	1,27	802	2,004	1,41
Nodular graphite and malleable iron	≤ 350 HB	20	50	1318	3295	1,06	1003	2506	1,27	802	2004	1,41
Non-ferrous metals
Aluminium	≤ 450 N/mm²	20	40	1318	2636	1,06	1003	2005	1,27	802	1604	1,41
Aluminium alloys	≤ 450 N/mm²	10	30	659	1977	1,06	501	1504	1,27	401	1203	1,41
Wrought aluminium alloys	≤ 400 N/mm²	20	30	1318	1977	1,06	1003	1504	1,27	802	1203	1,41
Aluminium cast alloys <= 10 % Si	≤ 600 N/mm²	20	30	1318	1977	1,06	1003	1504	1,27	802	1203	1,41
Copper, low-alloy	≤ 400 N/mm²	10	30	659	1977	1,06	501	1504	1,27	401	1203	1,41
Brass, long-chipping	≤ 600 N/mm²	20	50	1318	3295	1,06	1003	2506	1,27	802	2004	1,41
Bronze, long-chipping	≤ 1,000 N/mm²	10	30	659	1977	1,06	501	1504	1,27	401	1203	1,41
Plastics
Plastics, duroplastic		10	15	659	989	1,06	501	752	1,27	401	601	1,41
Plastics, thermoplastic		20	30	1318	1977	1,06	1003	1504	1,27	802	1203	1,41

For 3/8-16 UNC to 1/2-13 UNC
Material name	Tensile strength			3/8-16 UNC			7/16-14 UNC			1/2-13 UNC
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
Steels
General structural steels	≤ 850 N/mm²	20	50	668	1670	1,59	573	1433	1,81	501	1253	1,95
Unalloyed heat-treated steels	≤ 850 N/mm²	20	50	668	1670	1,59	573	1433	1,81	501	1253	1,95
Low-alloy heat-treated steels	≤ 850 N/mm²	20	50	668	1670	1,59	573	1433	1,81	501	1253	1,95
Unalloyed heat-treated steels	≤ 1,000 N/mm²	20	50	668	1670	1,59	573	1433	1,81	501	1253	1,95
Low-alloy heat-treated steels	≤ 1,000 N/mm²	20	50	668	1670	1,59	573	1433	1,81	501	1253	1,95
Alloyed heat-treated steels	≤ 1200 N/mm²	5	20	167	668	1,59	143	573	1,81	125	501	1,95
Nitriding steels	≤ 1,200 N/mm²	5	20	167	668	1,59	143	573	1,81	125	501	1,95
Tool steels	≤ 1,200 N/mm²	5	20	167	668	1,59	143	573	1,81	125	501	1,95
High-speed steels	≤ 1,200 N/mm²	5	20	167	668	1,59	143	573	1,81	125	501	1,95
High-grade steels
Stainless steels	≤ 1,200 N/mm²	6	10	200	334	1,59	172	287	1,81	150	251	1,95
Titanium	≤ 850 N/mm²	4	6	134	200	1,59	115	172	1,81	100	150	1,95
Special alloys	≤ 1,200 N/mm²	3	10	100	334	1,59	86	287	1,81	75	251	1,95
Cast metals
Cast iron	≤ 300 HB	20	50	668	1670	1,59	573	1433	1,81	501	1253	1,95
Nodular graphite and malleable iron	≤ 350 HB	20	50	668	1670	1,59	573	1433	1,81	501	1253	1,95
Non-ferrous metals
Aluminium	≤ 450 N/mm²	20	40	668	1336	1,59	573	1146	1,81	501	1003	1,95
Aluminium alloys	≤ 450 N/mm²	10	30	334	1002	1,59	287	860	1,81	251	752	1,95
Wrought aluminium alloys	≤ 400 N/mm²	20	30	668	1002	1,59	573	860	1,81	501	752	1,95
Aluminium cast alloys <= 10 % Si	≤ 600 N/mm²	20	30	668	1002	1,59	573	860	1,81	501	752	1,95
Copper, low-alloy	≤ 400 N/mm²	10	30	334	1002	1,59	287	860	1,81	251	752	1,95
Brass, long-chipping	≤ 600 N/mm²	20	50	668	1670	1,59	573	1433	1,81	501	1253	1,95
Bronze, long-chipping	≤ 1,000 N/mm²	10	30	334	1002	1,59	287	860	1,81	251	752	1,95
Plastics
Plastics, duroplastic		10	15	334	501	1,59	287	430	1,81	251	376	1,95
Plastics, thermoplastic		20	30	668	1002	1,59	573	860	1,81	501	752	1,95

For 5/8-11 UNC to 3/4-10 UNC
Material name	Tensile strength			5/8-11 UNC			3/4-10 UNC
		v_c		n		f	n		f
		from	to	from	to		from	to
Steels
General structural steels	≤ 850 N/mm²	20	50	401	1002	2,31	334	835	2,54
Unalloyed heat-treated steels	≤ 850 N/mm²	20	50	401	1002	2,31	334	835	2,54
Low-alloy heat-treated steels	≤ 850 N/mm²	20	50	401	1002	2,31	334	835	2,54
Unalloyed heat-treated steels	≤ 1,000 N/mm²	20	50	401	1002	2,31	334	835	2,54
Low-alloy heat-treated steels	≤ 1,000 N/mm²	20	50	401	1002	2,31	334	835	2,54
Alloyed heat-treated steels	≤ 1200 N/mm²	5	20	100	401	2,31	84	334	2,54
Nitriding steels	≤ 1,200 N/mm²	5	20	100	401	2,31	84	334	2,54
Tool steels	≤ 1,200 N/mm²	5	20	100	401	2,31	84	334	2,54
High-speed steels	≤ 1,200 N/mm²	5	20	100	401	2,31	84	334	2,54
High-grade steels
Stainless steels	≤ 1,200 N/mm²	6	10	120	200	2,31	100	167	2,54
Titanium	≤ 850 N/mm²	4	6	80	120	2,31	67	100	2,54
Special alloys	≤ 1,200 N/mm²	3	10	60	200	2,31	50	167	2,54
Cast metals
Cast iron	≤ 300 HB	20	50	401	1002	2,31	334	835	2,54
Nodular graphite and malleable iron	≤ 350 HB	20	50	401	1002	2,31	334	835	2,54
Non-ferrous metals
Aluminium	≤ 450 N/mm²	20	40	401	802	2,31	334	668	2,54
Aluminium alloys	≤ 450 N/mm²	10	30	200	601	2,31	167	501	2,54
Wrought aluminium alloys	≤ 400 N/mm²	20	30	401	601	2,31	334	501	2,54
Aluminium cast alloys <= 10 % Si	≤ 600 N/mm²	20	30	401	601	2,31	334	501	2,54
Copper, low-alloy	≤ 400 N/mm²	10	30	200	601	2,31	167	501	2,54
Brass, long-chipping	≤ 600 N/mm²	20	50	401	1002	2,31	334	835	2,54
Bronze, long-chipping	≤ 1,000 N/mm²	10	30	200	601	2,31	167	501	2,54
Plastics
Plastics, duroplastic		10	15	200	301	2,31	167	251	2,54
Plastics, thermoplastic		20	30	401	601	2,31	334	501	2,54

Legend
v_c = cutting speed [m/min]
f = feed [mm/r]
n = rotation speed [rpm]
The suggested cutting values are reference values and must be adapted to the respective conditions.