Reverse Circulation Connection Adapters / Reverse Circulation Subs

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Website: http://rockdrilltool-en.com/reverse-circulation-connection-adapters-1-4-4.html

Thread (pin)	Thread (box)	Diameter, mm	Length, mm	Inner tube to end, mm		Inner tube sealing face size, mm
		D	L	L1	L2	D1	D2
REMET 3.5''	REMET 4.0''	102	225	35	9	57.2	49.5
REMET 3.5''	METZKE 4.0''	102	225	25.4	9	54	49.5
METZKE 4.0''	REMET 4.0''	102	204	35	3.1	57.2	54
REMET 4.0''	METZKE 4.0''	102	204	25.4	7.5	54	57.2
METZKE 4.0''	METZKE 4.5''	114	188	48.2	3.1	57.2	54
METZKE 4.0''	REMET 4.5''	116	200	31.5	3.1	63.5	54
REMET 4.0''	METZKE 4.5''	114	208	48.2	7.5	57.2	57.2
REMET 4.0''	REMET 4.5''	116	220	31.5	7.5	63.5	57.2
METZKE 4.5''	REMET 4.5''	116	250	31.5	0	63.5	67.4
REMET 4.5''	METZKE 4.5''	116	220	48.2	6.5	57.2	63.5

• Machined from premium 42CrMo alloy steel and processed with proven heat treatment technology, delivering significantly improved tensile strength and torque resistance.
• Customization available, including length, thread types, as well as color and logo branding.