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T651 • Metric DIN 376 • Form C Semi-Bottoming Chamfer • Wind Energy

Name: T651 • Metric DIN 376 • Form C Semi-Bottoming Chamfer • Wind Energy
SKU: 100004562
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Beyond™ Spiral-Flute HSS-E-PM Taps • Blind Holes

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Features and benefits

KP6525 TiCN + TiN for tapping steel and cast iron.

Threading: Blind Hole
Class of Fit: 6HX
DIN number 376
Chamfer Form C (2–3)
HSS-E-PM
Through Coolant: Axial: Tapping
Manufacturer’s Specs: M
Tapping Helix Angle: 15°

Tolerance
Application Data
Reviews
Q&A

Tolerances

shank tolerance
D	tolerance h6 + / -
12 18	+0, -0,011
20 30	+0, -0,013
32 36	+0, -0,016

DIN 371

D1	pitch	D	L	L3*	L2	L5	S10
M3	0.5	3.5	56	11	18	6	2.7
M3.5	0.6	4	56	12	20	6	3
M4	0.7	4.5	63	13	21	6	3.4
M4.5	0.75	6	70	16	25	8	4.9
M5	0.8	6	70	16	25	8	4.9
M6	1	6	80	19	30	8	4.9
M7	1	7	80	19	30	8	5.5
M8	0.75	8	80	18	30	9	6.2
M8	1.25	8	90	22	35	9	6.2
M9	0.75	9	80	18	30	10	7
M9	1.25	9	90	22	35	10	7
M10	1	10	90	20	35	11	8
M10	1.5	10	100	24	39	11	8

DIN 374

	pitch
D1	minimum	maximum	D	L	L3*	L5	S10
M8	0.2	0.75	6	80	18	8	4.9
M8	—	1	6	90	22	8	4.9
M9	0.2	0.75	7	80	18	8	5.5
M9	—	1	7	90	22	8	5.5
M10	0.2	1	7	90	20	8	5.5
M10	—	1.25	7	100	24	8	5.5
M11	0.35	1	8	90	20	9	6.2
M12	0.35	1.5	9	100	22	10	7
M14	0.35	1.5	11	100	22	12	9
M16	0.35	1.5	12	100	22	12	9
M16	—	2	12	110	32	12	9
M18	0.35	1.5	14	110	25	14	11
M18	—	2	14	125	34	14	11
M20	0.35	1.5	16	125	25	15	12
M20	—	2	16	140	34	15	12
M22	0.35	1.5	18	125	25	17	14.5
M22	—	2	18	140	34	17	14.5
M24	0.35	2	18	140	28	17	14.5
M27	0.35	2	20	140	28	19	16
M30	0.35	2	22	150	28	21	18
M30	—	3	22	180	45	21	18

DIN 376

D1	pitch	D	L	L3*	L5	S10
M8	1.25	6	90	22	8	4.9
M9	1.25	7	90	22	8	5.5
M10	1.5	7	100	24	8	5.5
M11	1.5	8	100	24	9	6.2
M12	1.75	9	110	28	10	7
M14	2	11	110	30	12	9
M16	2	12	110	32	12	9
M18	2.5	14	125	34	14	11
M20	2.5	16	140	34	15	12
M22	2.5	18	140	34	17	14.5
M24	3	18	160	38	17	14.5
M27	3	20	160	38	19	16
M30	3.5	22	180	45	21	18
M33	3.5	25	180	50	23	20
M36	4	28	200	56	25	22
M39	4	32	200	60	27	24
M42	4.5	32	200	60	27	24
M45	4.5	36	220	65	32	29

JIS Type 3 Metric Coarse

D1	pitch	D	L	L3	L5	S10
M8	1.25	6.2	70	22	8	5
M9	1.25	7	72	22	8	5.5
M10	1.5	7	75	24	8	5.5
M11	1.5	8	80	25	9	6
M12	1.75	8.5	82	29	9	6.5
M14	2	10.5	88	30	11	8
M16	2	12.5	95	32	13	10
M18	2.5	14	100	37	14	11
M20	2.5	15	105	37	15	12
M22	2.5	17	115	38	16	13
M24	3	19	120	45	18	15

HSS-E-PM Taps • Grades KP6505 KP6525 KM6515
Tapping Operation	Tap Style	Grade¹	Cutting Speed vc
			Starting Value
			m/min	3	5	10	15	20	25	30	35	40	45	50	55	60
			SFM	10	16	33	49	66	82	98	115	131	148	164	180	197
P1 • Low-Carbon Steels, Long Chipping • Content: C 0.25% • Tensile Strength RM (MPa*): 530 • Hardness (HB) or HRC: 125
Through Holes	T620	KP6525	38							30			45
Through Holes	T620	KP6525	125							98			148
Blind Holes	T630	KP6525	23					18		27
Blind Holes	T630	KP6525	75					59		89
P2 • Low-Carbon Steels, Free Machining, and Short Chipping • Content C 0.25% • Tensile Strength RM (MPa*): 650 • Hardness (HB) or HRC: 220
Through Holes	T620	KP6525	33						25			40
Through Holes	T620	KP6525	108						82			131
Blind Holes	T630	KP6525	20				15		25
Blind Holes	T630	KP6525	65				49		82
P3 • Medium- and High-Plain Carbon Steels, Low-Alloyed • Content C 0.25% • Tensile Strength RM (MPa*): 600–850 • Hardness (HB) or HRC: 330
Through Holes	T620	KP6525	28					20			35
Through Holes	T620	KP6525	92					66			115
Blind Holes	T630	KP6525	17				12	21
Blind Holes	T630	KP6525	55				59	69
P5 • Ferritic, Martensitic, and PH Stainless Steels • Content C= 0-0.4% • Tensile Strength RM (MPa*): 600–850 • Hardness (HB) HRC: 330
Through Holes	T620	KP6525	18			10			25
Through Holes	T620	KP6525	59			33			82
Blind Holes	T630	KP6525	11		6		15
Blind Holes	T630	KP6525	35		20		49
P6 • High-Strength Ferritic, Martensitic, and PH Stainless Steels • Content C=0.1-0.6% • Tensile Strength RM (MPa*): 900-1350 • Hardness (HB) HRC: 350–450
Through Holes	T620	KP6525	10		5		15
Through Holes	T620	KP6525	33		16		49
Blind Holes	T630	KP6525	6	3		9
Blind Holes	T630	KP6525	20	10		30
M1 • Austenitic Stainless Steel • Content C=0.05-0.15% • Tensile Strength RM (MPa*): 650 • Hardness (HB) or HRC: 130-200
Through Holes	T620	KM6515	15			10		20
Through Holes	T620	KM6515	49			33		66
Blind Holes	T630	KM6515	9		6		12
Blind Holes	T630	KM6515	30		20		39
M2 • High-Strength Austenitic Stainless and Cast Stainless Steels • Content C=0.05-0.15% • Tensile Strength RM (MPa*): 500 - 700 • Hardness (HB) or HRC: 150-230
Through Holes	T620	KM6515	15			10		20
Through Holes	T620	KM6515	49			33		66
Blind Holes	T630	KM6515	9		6		12
Blind Holes	T630	KM6515	30		20		39
M3 • Duplex Steel • Content C=0.05-0.2 % • Tensile Strength RM (MPa*): 900 • Hardness (HB) HRC: 135-275
Through Holes	T620	KM6515	15			10		20
Through Holes	T620	KM6515	49			33		66
Blind Holes	T630	KM6515	9		6		12
Blind Holes	T630	KM6515	30		20		39
K1 • Cast and Low-Strength Ductile Irons • Tensile Strength RM (MPa*): 150-400 • Hardness (HB) or HRC: 120-290
Through Holes	T640	KP6525	45							30						60
Through Holes	T640	KP6525	148							98						197
Blind Holes	T640	KP6525	27					18			36
Blind Holes	T640	KP6525	90					59			118
K2 • Low- and Medium-Strength CGI and Ductile Irons • Tensile Strength RM (MPa*): 400-600 • Hardness (HB) or HRC: 130-260
Through Holes	T640	KP6525	38						25					50
Through Holes	T640	KP6525	125						82					164
Blind Holes	T640	KP6525	23				15			30
Blind Holes	T640	KP6525	75				49			98
K3 • High-Strength Ductile and Austempered Ductile Iron • Tensile Strength RM (MPa*): 600-900 • Hardness (HB) or HRC: 180-350
Through Holes	T640	KP6525	30					20				40
Through Holes	T640	KP6525	98					66				131
Blind Holes	T640	KP6525	18			12		25
Blind Holes	T640	KP6525	59			39		82

HSS-E-PM Taps • Grades KP6505 KP6525 KM6515
Tapping Operation	Tap Style	Grade	Cutting Speed vc
			Starting Value
			m/min	3	5	10	15	20	25	30	35	40	45	50	55	60
			SFM	10	16	33	49	66	82	98	115	131	148	164	180	197
P1 • Low-Carbon Steels, Long Chipping • Content: C 0.25% • Tensile Strength RM (MPa*): 530 • Hardness (HB) or HRC: 125
Through Holes	T620	KP6525	38							30			45
			125							98			148
Blind Holes	T630	KP6525	23					18		27
			75					59		89
P2 • Low-Carbon Steels, Free Machining, and Short Chipping • Content C 0.25% • Tensile Strength RM (MPa*): 650 • Hardness (HB) or HRC: 220
Through Holes	T620	KP6525	33						25			40
			108						82			131
Blind Holes	T630	KP6525	20				15		25
			65				49		82
P3 • Medium- and High-Plain Carbon Steels, Low-Alloyed • Content C 0.25% • Tensile Strength RM (MPa*): 600–850 • Hardness (HB) or HRC: 330
Through Holes	T620	KP6525	28					20			35
			92					66			115
Blind Holes	T630	KP6525	17				12	21
			55				59	69
P5 • Ferritic, Martensitic, and PH Stainless Steels • Content C= 0-0.4% • Tensile Strength RM (MPa*): 600–850 • Hardness (HB) HRC: 330
Through Holes	T620	KP6525	18			10			25
			59			33			82
Blind Holes	T630	KP6525	11		6		15
			35		20		49
P6 • High-Strength Ferritic, Martensitic, and PH Stainless Steels • Content C=0.1-0.6% • Tensile Strength RM (MPa*): 900-1350 • Hardness (HB) HRC: 350–450
Through Holes	T620	KP6525	10		5		15
			33		16		49
Blind Holes	T630	KP6525	6	3		9
			20	10		30
M1 • Austenitic Stainless Steel • Content C=0.05-0.15% • Tensile Strength RM (MPa*): 650 • Hardness (HB) or HRC: 130-200
Through Holes	T620	KM6515	15			10		20
			49			33		66
Blind Holes	T630	KM6515	9		6		12
			30		20		39
M2 • High-Strength Austenitic Stainless and Cast Stainless Steels • Content C=0.05-0.15% • Tensile Strength RM (MPa*): 500 - 700 • Hardness (HB) or HRC: 150-230
Through Holes	T620	KM6515	15			10		20
			49			33		66
Blind Holes	T630	KM6515	9		6		12
			30		20		39
M3 • Duplex Steel • Content C=0.05-0.2 % • Tensile Strength RM (MPa*): 900 • Hardness (HB) HRC: 135-275
Through Holes	T620	KM6515	15			10		20
			49			33		66
Blind Holes	T630	KM6515	9		6		12
			30		20		39
K1 • Cast and Low-Strength Ductile Irons • Tensile Strength RM (MPa*): 150-400 • Hardness (HB) or HRC: 120-290
Through Holes	T640	KP6525	45							30						60
			148							98						197
Blind Holes	T640	KP6525	27					18			36
			90					59			118
K2 • Low- and Medium-Strength CGI and Ductile Irons • Tensile Strength RM (MPa*): 400-600 • Hardness (HB) or HRC: 130-260
Through Holes	T640	KP6525	38						25					50
			125						82					164
Blind Holes	T640	KP6525	23				15			30
			75				49			98
K3 • High-Strength Ductile and Austempered Ductile Iron • Tensile Strength RM (MPa*): 600-900 • Hardness (HB) or HRC: 180-350
Through Holes	T640	KP6525	30					20				40
			98					66				131
Blind Holes	T640	KP6525	18			12		25
			59			39		82

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Product Similar To:

T651 • Metric DIN 376 • Form C Semi-Bottoming Chamfer • Wind Energy

Beyond™ Spiral-Flute HSS-E-PM Taps • Blind Holes