Sprue bushings are hardened-steel mold components that accept an extrusion nozzle and provide the opening used to transfer molten plastic to the mold cavity.
Bolt-type sprue bush type A is a sprue that is fixed with two bolts, which helps prevent the sprue from disconnection caused by high injection pressure.

Material / Hardness
SKD61 / 48-52HRC
S50C / 45-48HRC

Model Number	H	B	Dh6 (tolerance)		T	L (﹢0.5MM)	SR	P	A° (interval 0.5°)
DGMF-013-A	35	25	8	0 ﹣0.01	T=10 T=15	10-100	0 11 16	2.0   2.5 3.0   3.5	1-3
			10			10-150	0 11 13 16	2.0 2.5 3.0 3.5 4.0 4.5 5.0	1-4
			12
	40	30	10	0 ﹣0.02
			12
			13				0 11 13 16 20
			16
	50	36	12
			16
			20

TO ORDER SPECIFY:Moder Number-Meterial-H-T-L-D-SR-P-A°

The sprue bushing type A picture:



DGMF's Sprue Bushings feature a high-conductivity, corrosion-resistant, copper-based alloy bushing body with a hardened 420 stainless steel nozzle seat insert. The Sprue Bushings reduce sprue cooling time and cycle time. The product's stainless steel nozzle seat provides wear resistance and insulates to reduce the transference of heat from the machine nozzle to the sprue area.


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