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Jacobs®

Tap Chucks and Die Grinders Chucks

Tap Chucks

Complete range of flexible collet tap chucks for tapping machines and portable tappers.

Simplify tap changing and provide unmatched accuracy.

• Designed for use with the versatile Jacobs® Rubber-Flex® collet which accepts and precisely centers both decimal and metric shank diameters
• Simple operation – one quarter turn of chuck screw allows nut to disengage back jaws
• Tap shank sighting hole presents full view of tap square during changeovers
• Each chuck, with one interchangeable Rubber-Flex® collet, handles a wide range of tap sizes to speed tap size changes
• Positive-drive chuck jaws always locate square of tap shank to ensure superior performance
• Available with choice of Jacobs®, round or square hole mounts

Model No.	Tap Capacity		Mount style	Max Capacity		Max Diameter		Round Shank Cap.				Available Rubber-Flex® collets. Rubber-Flex Collets® are not included.	weight (oz)
								min.		max.
	inch	mm		inch	mm	inch	mm	inch	mm	inch	mm
41-01	#0-1/4	1.0-6.35	1 JT	2.0	51	0.84	21	0.09	2	0.25	6	J112, J113, J114 ,J116, J117	2
42-01	#10-5/16	4.83-7.94	1 JT	2.50	64	1.06	27	0.09	2	0.38	10	J420. J421, J 422, J423	6
42-02	#10-5/16	4.83-7.94	2 Short JT	2.50	64	1.06	27	0.09	2	0.38	10	J420. J421, J 422, J423	5
42-24	#10-5/16	4.83-7.94	.3675 Dia.	2.50	64	1.06	27	0.09	2	0.38	10	J420. J421, J 422, J423	6
42-J8	#0-1/4	1.00-6.36	.375 sq hole	2.50	64	1.06	27	0.09	2	0.38	10	J420. J421, J 422, J423	6
44-02	5/16-5/8	7.94-15.88	2 JT	3.12	79	1.47	37	0.11	3	0.50	13	J440, J441, J443	12
44-J9	#10-1/2	4.83-12.7	.500 Sq hole	3.12	79	1.47	37	0.11	3	0.50	13	J440, J441, J443	12

Replacement parts for tap chucks

Model No	Nut Part No.	Back Jaws Part No.	Nut Wrench Part No	Body Wrench Part No	Rubber-Flex® collets.
41-01	JAC.N-410	JAC.U-410	JAC.K410N	JAC.K410B	J112, J113, J114 ,J116, J117
42-01	JAC.N-420	JAC.U-420	JAC.K420N	JAC.K420B	J420. J421, J 422, J423
42-02	JAC.N-420	JAC.U-420	JAC.K420N	JAC.K420B	J420. J421, J 422, J423
42-24	JAC.N-420	JAC.U-420	JAC.K420N	JAC.K420B	J420. J421, J 422, J423
42-J8	JAC.N-420	JAC.U-420	JAC.K420N	JAC.K420B	J420. J421, J 422, J423
44-02	JAC.N-440	JAC.U-440	JAC.K440N	JAC.K440B	J440, J441, J443
44-06	JAC.N-440	JAC.U-440	JAC.K440N	JAC.K440B	J440, J441, J443
44-J9	JAC.N-440	JAC.U-440	JAC.K440N	JAC.K440B	J440, J441, J443

TAP CHUCK COLLETS

Model No	Capacity Range				Contact		Cone	Outside		No. of inserts	Weight (oz.)
	Min		Max (A)		Length (B)		Angle (C)	Dia. (D)
	(in)	(mm)	(in)	(mm)	(in)	(mm)	(deg)	(in)	(mm)
J116	0.094	2.4	0.177	4.5	0.468	11.9	26	0.590	15.1	6	0 .10
J117	0.177	4.5	0.256	6.5	0.468	11.9	26	0.590	15.1	8	0.10
J420	0.176	4.5	0.320	8.1	0.500	12.7	40	0.941	23.9	6	0.20
J421	0.139	3.5	0.257	6.5	0.500	12.7	40	0.941	23.9	6	0.20
J422	0.253	6.4	0.383	9.7	0.500	12.7	40	0.941	23.9	6	0.30
J423	0.090	2.3	0.090	4.6	0.500	12.7	40	0.860	21.8	4	0.30
J440	0.280	7.1	0.280	12.7	0.630	16.0	45	1.296	32.9	6	0.30
J441	0.176	4.5	0.176	9.7	0.630	16.0	45	1.296	32.9	6	0.30
J443	0.110	2.5	0.280	7.1	0.620	15.7	45	1.180	30.0	4	0.30

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DIE GRINDER CHUCKS

Compact tap chuck designed for use with Rubber-Flex® Collets holds mounted grinding burrs and rotary files on pneumatic and electric die grinders.

• Compact design facilitates use for a wide range of applications
• Integral seal protects collet components from abrasives and swarf
• Rubber-Flex® Collets furnished separately for tools with collect seating cones built into spindles

Model No

Capacity Range

Mount

Dimensions

weight oz.

min.

max.

Closed Length

Open Length

Sleeve Dia. (D)

(in)

(mm)

(in)

(mm)

(in)

(mm)

(in)

(mm)

(in)

(mm)

100-61

0.09

2.3

0.25

6.4

3/8-24

1.77

45

1.88

47.8

0.75

19.1

1.5

N-100

NUT FOR DIE GRINDER CHUCK 100-61

Die Grinder COLLETS

Model No	Capacity Range				Contact		Cone	Outside		No. of inserts	Weight (oz.)
	Min		Max (A)		Length (B)		Angle (C)	Dia. (D)
	(in)	(mm)	(in)	(mm)	(in)	(mm)	(deg)	(in)	(mm)
J116	0.094	2.4	0.177	4.5	0.468	11.9	26	0.590	15.1	6	0 .10
J117	0.177	4.5	0.256	6.5	0.468	11.9	26	0.590	15.1	8	0.10

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