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Shafts - Hollow /One End Tapped Hollow with Wrench Flat

"[Features] This shaft facilitates customers to arrange wiring, because the wire can be pierced into the inside of the shaft and contributes to weight saving of equipment, because the shaft is hollow."

Part Number

Configured Part Number is shown.

Drawing/Specifications
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Catalog
Technical Information

Hollow with Wrench Flats/One End Tapped:Related Image

[ ! ]Features of Low Temp. Black Chrome Plating >>P.128
[ ! ]Low temp. black chrome plating is not applied to the inside of hollow shafts, taps, bored holes and lateral holes, and may rust.
[ ! ]Circularity, Straightness, Perpendicularity and Changes in Hardness >>P.111
[ ! ]Circularity and O.D. tolerance may not meet precision specification in areas approximately 10mm from wrench flats machined ends.
[ ! ]Annealing may lower hardness at shaft end machined areas (effective thread length + approx. 10mm).

Type		[ M ]Material	[ H ]Hardness	[ S ]Surface Treatment
SPJT	SPTR	SUJ2	Effective Hardened Depth of Induction Hardened >>P.112 SUJ2 58HRC~ SUS440C equivalent 56HRC~	-
SSPJT	SSPTR	SUS440C equivalent		-
PSPJT	PSPTR	SUJ2		Hard Chrome Plating - Plating Hardness: HV750 ~, Plating Thickness: 5µ or More
RSPJT	RSPTR	SUJ2		Low Temp. Black Chrome Plating

Specifications

Part Number	-	L	-	M	-	SC
SPJT20 SPTR30	- -	525 730	- -	MT3 M20	-	SC8

Part Number			L 1mm Increment	M (Coarse Thread)				D Tol.	d	C
Type		D	L 1mm Increment	M (Coarse Thread)				D Tol.	d	C
One End Tapped Hollow Shafts	SPJT SSPJT (* marked sizes only) PSPJT RSPJT (D≤30,L≤500)	6	20~600	3				-0.004 -0.012	2	0.5 or Less
		*8	20~800 (300)	4	*5			-0.005 -0.014	3 (3)	0.5 or Less
		*10	20~800 (400)	5	*6			-0.005 -0.014	4 (4)	0.5 or Less
		*12	20~1000 (500)		*8	*T1(RC1/8)		-0.006 -0.017	6 (5)	0.5 or Less
		*13	25~1000 (500)		*10	*T1(RC1/8)		-0.006 -0.017	7 (5)	0.5 or Less
		*16	30~1200 (600)		*12	*T2(RC1/4)		-0.006 -0.017	10 (6)	0.5 or Less
		*20	30~1200 (800)		*16	*T3(RC3/8)		-0.007 -0.020	14 (8)	1.0 or Less
		*25	35~1200 (1000)		*20			-0.007 -0.020	16 (10)	1.0 or Less
		*30	35~1500 (1000)		*20			-0.007 -0.020	17 (12)	1.0 or Less
		35	35~1500			24		-0.009 -0.025	19	1.0 or Less
		40	50~1500			24	30	-0.009 -0.025	20	1.0 or Less
		50	60~1500			30		-0.009 -0.025	26	1.0 or Less

Part Number			L 1mm Increment	M (Coarse Thread)				Wrench Flats Dimensions			D Tol.	d	C
Type		D	L 1mm Increment	M (Coarse Thread)				SC	W	ℓ₁	D Tol.	d	C
One End Tapped Hollow Shafts with Wrench Flats	SPTR SSPTR (* marked sizes only) PSPTR RSPTR (D≤30,L≤500)	6	20~600	3				SC=1mm Increment [ ! ]When D≤25 SC+ℓ₁≤L SC≥Mx2 [ ! ]When D≥30 SC+ℓ₁≤L SC≥0 [ ! ]Details of Wrench Flats P.112	5	8	-0.004 -0.012	2	0.5 or Less
		*8	20~800 (300)	4	*5				7	8	-0.005 -0.014	3 (3)	0.5 or Less
		*10	20~800 (400)	5	*6				8	8	-0.005 -0.014	4 (4)	0.5 or Less
		*12	20~1000 (500)		*8	*T1(RC1/8)			10	10	-0.006 -0.017	6 (5)	0.5 or Less
		*13	25~1000 (500)		*10	*T1(RC1/8)			11	10	-0.006 -0.017	7 (5)	0.5 or Less
		*16	30~1200 (600)		*12	*T2(RC1/4)			14	10	-0.006 -0.017	10 (6)	0.5 or Less
		*20	30~1200 (800)		*16	*T3(RC3/8)			17	10	-0.007 -0.020	14 (8)	1.0 or Less
		*25	35~1200 (1000)		*20				22	10	-0.007 -0.020	16 (10)	1.0 or Less
		*30	35~1500 (1000)		*20				27	15	-0.007 -0.020	17 (12)	1.0 or Less
		35	35~1500			24			30	15	-0.009 -0.025	19	1.0 or Less
		40	50~1500			24	30		36	20	-0.009 -0.025	20	1.0 or Less
		50	60~1500			30			41	20	-0.009 -0.025	26	1.0 or Less

[ ! ]When T1, T2 or T3 is selected as M, tapered thread machining is applied. (Ordering Code: MT1) [ ! ]When Mx2.5+4≥L, tap pilot holes may go through.
[ ! ]Only * marked D and M dimensions are applicable to Stainless Steel Shafts. L and d dimensions in ( ) are applicable.

Alterations

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

CAD Download

: 30; 45; 60

Part Number
PSPJT16-[30-1200/1]-M12
PSPJT16-[30-1200/1]-MT2
PSPJT20-[30-1200/1]-M16
PSPJT20-[30-1200/1]-MT3
PSPJT25-[35-1200/1]-M20
SPJT16-[30-1200/1]-M12
SPJT16-[30-1200/1]-MT2
SPJT20-[30-1200/1]-M16
SPJT20-[30-1200/1]-MT3
SPJT25-[35-1200/1]-M20

Standard Unit Price	Minimum order quantity	Days to Ship	Surface Treatment	TEST (Ø)	Length L (mm)	Change Tapped Thread M to Tapered One [MT] 1(RC1/8) 2(RC1/4) 3(RC3/8)	Threaded (Coarse) [M] (mm)
-	1 Piece(s)	3 Day(s)	Hard Chrome Plating	16	30 ～ 1200	-	12
-	1 Piece(s)	3 Day(s)	Hard Chrome Plating	16	30 ～ 1200	2	-
-	1 Piece(s)	3 Day(s)	Hard Chrome Plating	20	30 ～ 1200	-	16
-	1 Piece(s)	3 Day(s)	Hard Chrome Plating	20	30 ～ 1200	3	-
-	1 Piece(s)	3 Day(s)	Hard Chrome Plating	25	35 ～ 1200	-	20
-	1 Piece(s)	3 Day(s)	Not Provided	16	30 ～ 1200	-	12
-	1 Piece(s)	3 Day(s)	Not Provided	16	30 ～ 1200	2	-
-	1 Piece(s)	3 Day(s)	Not Provided	20	30 ～ 1200	-	16
-	1 Piece(s)	3 Day(s)	Not Provided	20	30 ～ 1200	3	-
-	1 Piece(s)	3 Day(s)	Not Provided	25	35 ～ 1200	-	20

More Information

[ ! ]About Hollow Shaft Wall Thickness Deviations, please see >> P.111

Example

Product TOP

Basic Information

Basic Shape	Hollow	End Shape (Left)	Tapped	End Shape (Right)	No Machining
TEST	SUJ2 / SUJ2 Equivalent	Heat Treatment	Induction Hardened	Shaft Fit Tolerance	g6
Hardness	Induction Hardened (58HRC~)

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Completed

Specification/Dimensions

Surface Treatment
- Not Provided
- Hard Chrome Plating
Clear
TEST(Ø)
16

20

25
Clear
Length L(mm)
[30-1200/1mm Unit(s)]
Clear
Change Tapped Thread M to Tapered One [MT] 1(RC1/8) 2(RC1/4) 3(RC3/8)
2

3
Clear
Threaded (Coarse) [M](mm)
12

16

20
Clear
type
- PSPJT
- SPJT
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

3 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Shafts - Hollow /One End Tapped Hollow with Wrench Flat

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More Information

Example

Basic Information

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Specification/Dimensions

Surface Treatment

TEST(Ø)

Length L(mm)

Change Tapped Thread M to Tapered One [MT] 1(RC1/8) 2(RC1/4) 3(RC3/8)

Threaded (Coarse) [M](mm)

type

CAD

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